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2026-01-01
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<p>Last updated on<strong>August 5, 2025</strong></p>
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<p>Last updated on<strong>August 5, 2025</strong></p>
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<p>The numbers that have only two factors, which are 1 and itself, are called prime numbers. For encryption, computer algorithms, barcode generation, prime numbers are used. In this topic, we will be discussing whether 985 is a prime number or not.</p>
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<p>The numbers that have only two factors, which are 1 and itself, are called prime numbers. For encryption, computer algorithms, barcode generation, prime numbers are used. In this topic, we will be discussing whether 985 is a prime number or not.</p>
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<h2>Is 985 a Prime Number?</h2>
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<h2>Is 985 a Prime Number?</h2>
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<p>There are two<a>types of numbers</a>, mostly - Prime numbers and<a>composite numbers</a>, depending on the number of<a>factors</a>.</p>
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<p>There are two<a>types of numbers</a>, mostly - Prime numbers and<a>composite numbers</a>, depending on the number of<a>factors</a>.</p>
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<p>A<a>prime number</a>is a<a>natural number</a>that is divisible only by 1 and itself. For example, 3 is a prime number because it is divisible by 1 and itself.</p>
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<p>A<a>prime number</a>is a<a>natural number</a>that is divisible only by 1 and itself. For example, 3 is a prime number because it is divisible by 1 and itself.</p>
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<p>A composite number is a positive number that is divisible by more than two numbers. For example, 6 is divisible by 1, 2, 3, and 6, making it a composite number.</p>
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<p>A composite number is a positive number that is divisible by more than two numbers. For example, 6 is divisible by 1, 2, 3, and 6, making it a composite number.</p>
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<p>Prime numbers follow a few properties like -</p>
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<p>Prime numbers follow a few properties like -</p>
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<p>- Prime numbers are positive numbers always<a>greater than</a>1.</p>
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<p>- Prime numbers are positive numbers always<a>greater than</a>1.</p>
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<p>- 2 is the only even prime number.</p>
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<p>- 2 is the only even prime number.</p>
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<p>- They have only two factors: 1 and the number itself.</p>
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<p>- They have only two factors: 1 and the number itself.</p>
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<p>- Any two distinct prime numbers are<a>co-prime numbers</a>because they have only one common factor that is 1.</p>
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<p>- Any two distinct prime numbers are<a>co-prime numbers</a>because they have only one common factor that is 1.</p>
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<p><strong>As 985 has more than two factors, it is not a prime number.</strong></p>
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<p><strong>As 985 has more than two factors, it is not a prime number.</strong></p>
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<h2>Why is 985 Not a Prime Number?</h2>
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<h2>Why is 985 Not a Prime Number?</h2>
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<p>The characteristic of a prime number is that it has only two divisors: 1 and itself. Since 985 has more than two factors, it is not a prime number. A few methods are used to distinguish between prime and composite numbers. Some methods include:</p>
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<p>The characteristic of a prime number is that it has only two divisors: 1 and itself. Since 985 has more than two factors, it is not a prime number. A few methods are used to distinguish between prime and composite numbers. Some methods include:</p>
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<ul><li>Counting Divisors Method</li>
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<ul><li>Counting Divisors Method</li>
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<li>Divisibility Test</li>
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<li>Divisibility Test</li>
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<li>Prime Number Chart</li>
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<li>Prime Number Chart</li>
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<li>Prime Factorization</li>
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<li>Prime Factorization</li>
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</ul><h3>Using the Counting Divisors Method</h3>
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</ul><h3>Using the Counting Divisors Method</h3>
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<p>The method in which we count the number of divisors to categorize the numbers as prime or composite is called the counting divisors method. Based on the count of the divisors, we categorize prime and composite numbers.</p>
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<p>The method in which we count the number of divisors to categorize the numbers as prime or composite is called the counting divisors method. Based on the count of the divisors, we categorize prime and composite numbers.</p>
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<p>- If there is a total count of only 2 divisors, then the number would be prime.</p>
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<p>- If there is a total count of only 2 divisors, then the number would be prime.</p>
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<p>- If the count is more than 2, then the number is composite. Let’s check whether 985 is prime or composite.</p>
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<p>- If the count is more than 2, then the number is composite. Let’s check whether 985 is prime or composite.</p>
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<p><strong>Step 1:</strong>All numbers are divisible by 1 and itself.</p>
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<p><strong>Step 1:</strong>All numbers are divisible by 1 and itself.</p>
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<p><strong>Step 2:</strong>Divide 985 by 2. It is not divisible by 2, so 2 is not a factor of 985.</p>
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<p><strong>Step 2:</strong>Divide 985 by 2. It is not divisible by 2, so 2 is not a factor of 985.</p>
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<p><strong>Step 3:</strong>Divide 985 by 5. It is not divisible by 5, so 5 is not a factor of 985.</p>
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<p><strong>Step 3:</strong>Divide 985 by 5. It is not divisible by 5, so 5 is not a factor of 985.</p>
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<p><strong>Step 4:</strong>You can simplify checking divisors up to 985 by finding the<a>square</a>root value. We then need to only check divisors up to this root value.</p>
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<p><strong>Step 4:</strong>You can simplify checking divisors up to 985 by finding the<a>square</a>root value. We then need to only check divisors up to this root value.</p>
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<p><strong>Step 5:</strong>When we divide 985 by 5, 7, and 13, it is divisible by 5 and 197.</p>
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<p><strong>Step 5:</strong>When we divide 985 by 5, 7, and 13, it is divisible by 5 and 197.</p>
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<p><strong>Since 985 has more than 2 divisors, it is a composite number.</strong></p>
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<p><strong>Since 985 has more than 2 divisors, it is a composite number.</strong></p>
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<h3>Using the Divisibility Test Method</h3>
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<h3>Using the Divisibility Test Method</h3>
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<p>We use a<a>set</a><a>of rules</a>to check whether a number is divisible by another number completely or not. It is called the Divisibility Test Method.</p>
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<p>We use a<a>set</a><a>of rules</a>to check whether a number is divisible by another number completely or not. It is called the Divisibility Test Method.</p>
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<p><strong>- Divisibility by 2:</strong>The number 985 is odd, which means that 985 is not divisible by 2.</p>
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<p><strong>- Divisibility by 2:</strong>The number 985 is odd, which means that 985 is not divisible by 2.</p>
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<p><strong>- Divisibility by 3:</strong>The<a>sum</a>of the digits in the number 985 is 22. Since 22 is not divisible by 3, 985 is also not divisible by 3.</p>
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<p><strong>- Divisibility by 3:</strong>The<a>sum</a>of the digits in the number 985 is 22. Since 22 is not divisible by 3, 985 is also not divisible by 3.</p>
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<p><strong>- Divisibility by 5:</strong>The unit’s place digit is 5. Therefore, 985 is divisible by 5.</p>
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<p><strong>- Divisibility by 5:</strong>The unit’s place digit is 5. Therefore, 985 is divisible by 5.</p>
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<p><strong>- Divisibility by 7:</strong>Double the last digit (5 × 2 = 10). Then, subtract it from the rest of the number (98 - 10 = 88). Since 88 is divisible by 11, 985 is not divisible by 7.</p>
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<p><strong>- Divisibility by 7:</strong>Double the last digit (5 × 2 = 10). Then, subtract it from the rest of the number (98 - 10 = 88). Since 88 is divisible by 11, 985 is not divisible by 7.</p>
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<p><strong>- Divisibility by 11:</strong>The difference between the sum of the digits in odd positions and the sum of the digits in even positions is 4. Therefore, 985 is not divisible by 11.</p>
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<p><strong>- Divisibility by 11:</strong>The difference between the sum of the digits in odd positions and the sum of the digits in even positions is 4. Therefore, 985 is not divisible by 11.</p>
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<p><strong>Since 985 is divisible by more than two numbers, it is a composite number.</strong></p>
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<p><strong>Since 985 is divisible by more than two numbers, it is a composite number.</strong></p>
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<h3>Using Prime Number Chart</h3>
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<h3>Using Prime Number Chart</h3>
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<p>The prime number chart is a tool created by using a method called “The Sieve of Eratosthenes.” In this method, we follow the following steps.</p>
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<p>The prime number chart is a tool created by using a method called “The Sieve of Eratosthenes.” In this method, we follow the following steps.</p>
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<p><strong>Step 1:</strong>Write 1 to 1000 in rows and columns.</p>
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<p><strong>Step 1:</strong>Write 1 to 1000 in rows and columns.</p>
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<p><strong>Step 2:</strong>Leave 1 without coloring or crossing, as it is neither prime nor composite.</p>
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<p><strong>Step 2:</strong>Leave 1 without coloring or crossing, as it is neither prime nor composite.</p>
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<p><strong>Step 3:</strong>Mark 2 because it is a prime number and cross out all the<a>multiples</a>of 2.</p>
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<p><strong>Step 3:</strong>Mark 2 because it is a prime number and cross out all the<a>multiples</a>of 2.</p>
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<p><strong>Step 4:</strong>Mark 3 because it is a prime number and cross out all the multiples of 3.</p>
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<p><strong>Step 4:</strong>Mark 3 because it is a prime number and cross out all the multiples of 3.</p>
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<p><strong>Step 5:</strong>Repeat this process until you reach the table consisting of marked and crossed boxes, except 1. Through this process, we will have a list of prime numbers.</p>
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<p><strong>Step 5:</strong>Repeat this process until you reach the table consisting of marked and crossed boxes, except 1. Through this process, we will have a list of prime numbers.</p>
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<p><strong>985 is not present in the list of prime numbers, so it is a composite number.</strong></p>
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<p><strong>985 is not present in the list of prime numbers, so it is a composite number.</strong></p>
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<h3>Using the Prime Factorization Method</h3>
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<h3>Using the Prime Factorization Method</h3>
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<p>Prime factorization is a process of breaking down a number into<a>prime factors</a>. Then multiply those factors to obtain the original number.</p>
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<p>Prime factorization is a process of breaking down a number into<a>prime factors</a>. Then multiply those factors to obtain the original number.</p>
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<p><strong>Step 1:</strong>We can write 985 as 5 × 197.</p>
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<p><strong>Step 1:</strong>We can write 985 as 5 × 197.</p>
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<p><strong>Step 2:</strong>In 5 × 197, both 5 and 197 are prime numbers.</p>
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<p><strong>Step 2:</strong>In 5 × 197, both 5 and 197 are prime numbers.</p>
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<p><strong>Hence, the prime factorization of 985 is 5 × 197.</strong></p>
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<p><strong>Hence, the prime factorization of 985 is 5 × 197.</strong></p>
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<h2>Common Mistakes to Avoid When Determining if 985 is Not a Prime Number</h2>
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<h2>Common Mistakes to Avoid When Determining if 985 is Not a Prime Number</h2>
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<p>Children might have some misconceptions about prime numbers when they are learning about them. Here are some mistakes that might be made by children.</p>
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<p>Children might have some misconceptions about prime numbers when they are learning about them. Here are some mistakes that might be made by children.</p>
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<h2>FAQ on is 985 a Prime Number?</h2>
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<h2>FAQ on is 985 a Prime Number?</h2>
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<h3>1.Is 985 a perfect square?</h3>
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<h3>1.Is 985 a perfect square?</h3>
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<h3>2.What is the sum of the divisors of 985?</h3>
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<h3>2.What is the sum of the divisors of 985?</h3>
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<p>The sum of the divisors of 985 is 1188.</p>
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<p>The sum of the divisors of 985 is 1188.</p>
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<h3>3.What are the factors of 985?</h3>
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<h3>3.What are the factors of 985?</h3>
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<p>985 is divisible by 1, 5, 197, and 985, making these numbers the factors.</p>
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<p>985 is divisible by 1, 5, 197, and 985, making these numbers the factors.</p>
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<h3>4.What are the closest prime numbers to 985?</h3>
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<h3>4.What are the closest prime numbers to 985?</h3>
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<p>983 and 991 are the closest prime numbers to 985.</p>
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<p>983 and 991 are the closest prime numbers to 985.</p>
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<h3>5.What is the prime factorization of 985?</h3>
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<h3>5.What is the prime factorization of 985?</h3>
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<p>The prime factorization of 985 is 5 × 197.</p>
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<p>The prime factorization of 985 is 5 × 197.</p>
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<h2>Important Glossaries for "Is 985 a Prime Number"</h2>
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<h2>Important Glossaries for "Is 985 a Prime Number"</h2>
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<ul><li><strong>Composite numbers:</strong>Natural numbers greater than 1 that are divisible by more than 2 numbers are called composite numbers. For example, 985 is a composite number because it is divisible by 1, 5, 197, and 985.</li>
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<ul><li><strong>Composite numbers:</strong>Natural numbers greater than 1 that are divisible by more than 2 numbers are called composite numbers. For example, 985 is a composite number because it is divisible by 1, 5, 197, and 985.</li>
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<li><strong>Prime factorization:</strong>The process of expressing a number as a product of its prime factors. For example, the prime factorization of 985 is 5 × 197.</li>
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<li><strong>Prime factorization:</strong>The process of expressing a number as a product of its prime factors. For example, the prime factorization of 985 is 5 × 197.</li>
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<li><strong>Divisibility:</strong>A number is divisible by another if it can be divided without leaving a remainder. For example, 985 is divisible by 5.</li>
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<li><strong>Divisibility:</strong>A number is divisible by another if it can be divided without leaving a remainder. For example, 985 is divisible by 5.</li>
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<li><strong>Prime numbers:</strong>Numbers with exactly two distinct positive divisors: 1 and itself. For example, 197 is a prime number.</li>
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<li><strong>Prime numbers:</strong>Numbers with exactly two distinct positive divisors: 1 and itself. For example, 197 is a prime number.</li>
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<li><strong>Perfect square:</strong>A number that can be expressed as the product of an integer with itself. For example, 16 is a perfect square because it is 4 × 4. 985 is not a perfect square.</li>
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<li><strong>Perfect square:</strong>A number that can be expressed as the product of an integer with itself. For example, 16 is a perfect square because it is 4 × 4. 985 is not a perfect square.</li>
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</ul><p>What Are Prime Numbers? 🔢✨ | Easy Tricks & 🎯 Fun Learning for Kids | ✨BrightCHAMPS Math</p>
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</ul><p>What Are Prime Numbers? 🔢✨ | Easy Tricks & 🎯 Fun Learning for Kids | ✨BrightCHAMPS Math</p>
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<h2>Hiralee Lalitkumar Makwana</h2>
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<h2>Hiralee Lalitkumar Makwana</h2>
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<h3>About the Author</h3>
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<h3>About the Author</h3>
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<p>Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.</p>
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<p>Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.</p>
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<h3>Fun Fact</h3>
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<h3>Fun Fact</h3>
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<p>: She loves to read number jokes and games.</p>
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<p>: She loves to read number jokes and games.</p>