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2026-01-01
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2026-02-28
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<p>217 Learners</p>
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<p>244 Learners</p>
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<p>Last updated on<strong>August 5, 2025</strong></p>
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<p>Last updated on<strong>February 3, 2026</strong></p>
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<p>The numbers that have only two factors, which are 1 and themselves, are called prime numbers. For encryption, computer algorithms, and barcode generation, prime numbers are used. In this topic, we will be discussing whether 1345 is a prime number or not.</p>
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<p>The numbers that have only two factors, which are 1 and themselves, are called prime numbers. For encryption, computer algorithms, and barcode generation, prime numbers are used. In this topic, we will be discussing whether 1345 is a prime number or not.</p>
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<h2>Is 1345 a Prime Number?</h2>
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<h2>Is 1345 a Prime Number?</h2>
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<p>There are two<a>types of numbers</a>, mostly -</p>
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<p>There are two<a>types of numbers</a>, mostly -</p>
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<p>Prime numbers and<a>composite numbers</a>, depending on the number of<a>factors</a>.</p>
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<p>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.</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.</p>
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<p>For example, 3 is a prime number because it is divisible by 1 and itself.</p>
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<p>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.</p>
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<p>A composite number is a positive number that is divisible by more than two numbers.</p>
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<p>For example, 6 is divisible by 1, 2, 3, and 6, making it a composite number.</p>
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<p>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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<ul><li>Prime numbers are positive numbers always<a>greater than</a>1. </li>
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<ul><li>Prime numbers are positive numbers always<a>greater than</a>1. </li>
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<li>2 is the only even prime number. </li>
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<li>2 is the only even prime number. </li>
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<li>They have only two factors: 1 and the number itself. </li>
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<li>They have only two factors: 1 and the number itself. </li>
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<li>Any two distinct prime numbers are<a>co-prime numbers</a>because they have only one common factor, which is 1. </li>
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<li>Any two distinct prime numbers are<a>co-prime numbers</a>because they have only one common factor, which is 1. </li>
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<li>As 1345 has more than two factors, it is not a prime number.</li>
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<li>As 1345 has more than two factors, it is not a prime number.</li>
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</ul><h2>Why is 1345 Not a Prime Number?</h2>
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</ul><h2>Why is 1345 Not a Prime Number?</h2>
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<p>The characteristic<a>of</a>a prime number is that it has only two divisors: 1 and itself. Since 1345 has more than two factors, it is not a prime number. Several methods are used to distinguish between prime and composite numbers. A few methods are:</p>
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<p>The characteristic<a>of</a>a prime number is that it has only two divisors: 1 and itself. Since 1345 has more than two factors, it is not a prime number. Several methods are used to distinguish between prime and composite numbers. A few methods are:</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. If there is a total count of only 2 divisors, then the number would be prime. If the count is more than 2, then the number is composite. Let’s check whether 1345 is prime or composite.</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. If there is a total count of only 2 divisors, then the number would be prime. If the count is more than 2, then the number is composite. Let’s check whether 1345 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 1345 by 2. It is not divisible by 2 because it's an<a>odd number</a>.</p>
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<p><strong>Step 2:</strong>Divide 1345 by 2. It is not divisible by 2 because it's an<a>odd number</a>.</p>
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<p><strong>Step 3:</strong>Divide 1345 by 3. The<a>sum</a>of the digits (1 + 3 + 4 + 5 = 13) is not divisible by 3, so 1345 is not divisible by 3.</p>
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<p><strong>Step 3:</strong>Divide 1345 by 3. The<a>sum</a>of the digits (1 + 3 + 4 + 5 = 13) is not divisible by 3, so 1345 is not divisible by 3.</p>
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<p><strong>Step 4:</strong>Divide 1345 by 5. The last digit is 5, so it is divisible by 5.</p>
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<p><strong>Step 4:</strong>Divide 1345 by 5. The last digit is 5, so it is divisible by 5.</p>
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<p>Hence, 5 is a factor of 1345. Since 1345 has more than 2 divisors, it is a composite number.</p>
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<p>Hence, 5 is a factor of 1345. Since 1345 has more than 2 divisors, it is a composite number.</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>of rules 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>of rules 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>1345 is an odd number, meaning it is not divisible by 2.</p>
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<p><strong>Divisibility by 2:</strong>1345 is an odd number, meaning it is not divisible by 2.</p>
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<p><strong>Divisibility by 3:</strong>The sum of the digits in the number 1345 is 13. Since 13 is not divisible by 3, 1345 is also not divisible by 3.</p>
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<p><strong>Divisibility by 3:</strong>The sum of the digits in the number 1345 is 13. Since 13 is not divisible by 3, 1345 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, 1345 is divisible by 5.</p>
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<p><strong>Divisibility by 5:</strong>The unit’s place digit is 5. Therefore, 1345 is divisible by 5.</p>
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<p><strong>Divisibility by 7:</strong>No simple rule for 7 applies directly, but dividing 1345 by 7 gives a<a>remainder</a>, so it is not divisible by 7.</p>
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<p><strong>Divisibility by 7:</strong>No simple rule for 7 applies directly, but dividing 1345 by 7 gives a<a>remainder</a>, so it 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 (1 + 4 = 5) and even positions (3 + 5 = 8) is 3, which 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 (1 + 4 = 5) and even positions (3 + 5 = 8) is 3, which is not divisible by 11.</p>
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<p>Thus, 1345 is not divisible by 11. Since 1345 is divisible by 5, it has more than two factors. Therefore, it is a composite number.</p>
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<p>Thus, 1345 is not divisible by 11. Since 1345 is divisible by 5, it has more than two factors. Therefore, it is a composite number.</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 numbers in a range, for example, from 1 to 1000, in rows and columns.</p>
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<p><strong>Step 1:</strong>Write numbers in a range, for example, from 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 desired range 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 desired range 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>1345 is not present in the list of prime numbers, so it is a composite number.</p>
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<p>1345 is not present in the list of prime numbers, so it is a composite number.</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 1345 as 5 × 269.</p>
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<p><strong>Step 1:</strong>We can write 1345 as 5 × 269.</p>
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<p><strong>Step 2:</strong>In 5 × 269, 269 is a prime number.</p>
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<p><strong>Step 2:</strong>In 5 × 269, 269 is a prime number.</p>
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<p><strong>Step 3:</strong>Now we get the<a>product</a>consisting of only prime numbers.</p>
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<p><strong>Step 3:</strong>Now we get the<a>product</a>consisting of only prime numbers.</p>
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<p>Hence, the prime factorization of 1345 is 5 × 269.</p>
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<p>Hence, the prime factorization of 1345 is 5 × 269.</p>
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<h2>Common Mistakes to Avoid When Determining if 1345 is Not a Prime Number</h2>
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<h2>Common Mistakes to Avoid When Determining if 1345 is Not a Prime Number</h2>
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<p>People might have some misconceptions about prime numbers when they are learning about them. Here are some mistakes that might be made.</p>
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<p>People might have some misconceptions about prime numbers when they are learning about them. Here are some mistakes that might be made.</p>
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<h2>FAQ on is 1345 a Prime Number?</h2>
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<h2>FAQ on is 1345 a Prime Number?</h2>
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<h3>1.Is 1345 a perfect square?</h3>
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<h3>1.Is 1345 a perfect square?</h3>
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<h3>2.What is the sum of the divisors of 1345?</h3>
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<h3>2.What is the sum of the divisors of 1345?</h3>
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<p>The sum of the divisors of 1345 is 1620.</p>
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<p>The sum of the divisors of 1345 is 1620.</p>
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<h3>3.What are the factors of 1345?</h3>
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<h3>3.What are the factors of 1345?</h3>
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<p>1345 is divisible by 1, 5, 269, and 1345, making these numbers the factors.</p>
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<p>1345 is divisible by 1, 5, 269, and 1345, making these numbers the factors.</p>
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<h3>4.What are the closest prime numbers to 1345?</h3>
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<h3>4.What are the closest prime numbers to 1345?</h3>
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<p>1349 and 1361 are the closest prime numbers to 1345.</p>
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<p>1349 and 1361 are the closest prime numbers to 1345.</p>
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<h3>5.What is the prime factorization of 1345?</h3>
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<h3>5.What is the prime factorization of 1345?</h3>
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<p>The prime factorization of 1345 is 5 × 269.</p>
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<p>The prime factorization of 1345 is 5 × 269.</p>
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<h2>Important Glossaries for "Is 1345 a Prime Number"</h2>
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<h2>Important Glossaries for "Is 1345 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, 12 is a composite number because 12 is divisible by 1, 2, 3, 4, 6, and 12.</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, 12 is a composite number because 12 is divisible by 1, 2, 3, 4, 6, and 12.</li>
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</ul><ul><li><strong>Prime numbers:</strong>Natural numbers greater than 1 that have no divisors other than 1 and themselves.</li>
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</ul><ul><li><strong>Prime numbers:</strong>Natural numbers greater than 1 that have no divisors other than 1 and themselves.</li>
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</ul><ul><li><strong>Divisibility:</strong>The ability of one number to be divided by another without leaving a remainder.</li>
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</ul><ul><li><strong>Divisibility:</strong>The ability of one number to be divided by another without leaving a remainder.</li>
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</ul><ul><li><strong>Factorization:</strong>The process of breaking down a number into its prime components.</li>
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</ul><ul><li><strong>Factorization:</strong>The process of breaking down a number into its prime components.</li>
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</ul><ul><li><strong>Co-prime numbers:</strong>Two numbers that have no common factors other than 1. </li>
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</ul><ul><li><strong>Co-prime numbers:</strong>Two numbers that have no common factors other than 1. </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 Numbers? 🔢 | Fun Explanation with 🎯 Real-Life Examples 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>