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2 <p>Last updated on<strong>August 5, 2025</strong></p>

3 <p>The numbers that have only two factors, which are 1 and itself, are called prime numbers. For encryption, computer algorithms, and barcode generation, prime numbers are used. In this topic, we will be discussing whether 738 is a prime number or not.</p>

4 <h2>Is 738 a Prime Number?</h2>

5 <p>There are two<a>types of numbers</a>, mostly -</p>

6 <p><a>prime numbers</a>and<a>composite numbers</a>, depending on the number of<a>factors</a>.</p>

7 <p>A prime number is a<a>natural number</a>that is divisible only by 1 and itself.</p>

8 <p>For example, 3 is a prime number because it is divisible by 1 and itself.</p>

9 <p>A composite number is a positive number that is divisible by more than two numbers.</p>

10 <p>For example, 6 is divisible by 1, 2, 3, and 6, making it a composite number.</p>

11 <p>Prime numbers follow a few properties like: </p>

12 <ul><li>Prime numbers are positive numbers always<a>greater than</a>1. </li>

13 <li>2 is the only even prime number. </li>

14 <li>They have only two factors: 1 and the number itself. </li>

15 <li>Any two distinct prime numbers are<a>co-prime numbers</a>because they have only one common factor, which is 1. </li>

16 <li>As 738 has more than two factors, it is not a prime number.</li>

17 </ul><h2>Why is 738 Not a Prime Number?</h2>

18 <p>The characteristic<a>of</a>a prime number is that it has only two divisors: 1 and itself. Since 738 has more than two factors, it is not a prime number. A few methods are used to distinguish between prime and composite numbers, such as: </p>

19 <ul><li>Counting Divisors Method </li>

20 <li>Divisibility Test </li>

21 <li>Prime Number Chart </li>

22 <li>Prime Factorization</li>

23 </ul><h2>Using the Counting Divisors Method</h2>

24 <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 numbers as prime or composite. - 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 738 is prime or composite.</p>

25 <p><strong>Step 1:</strong>All numbers are divisible by 1 and itself.</p>

26 <p><strong>Step 2:</strong>Divide 738 by 2. It is divisible by 2, so 2 is a factor of 738.</p>

27 <p><strong>Step 3:</strong>Divide 738 by 3. It is divisible by 3, so 3 is a factor of 738.</p>

28 <p><strong>Step 4:</strong>You can simplify checking divisors by finding the root value. We then need to only check divisors up to the root value.</p>

29 <p>Since 738 has more than 2 divisors, it is a composite number.</p>

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32 <h2>Using the Divisibility Test Method</h2>

31 <h2>Using the Divisibility Test Method</h2>

33 <p>We use a<a>set</a>of rules to check whether a number is divisible by another number completely or not. This is called the Divisibility Test Method. </p>

32 <p>We use a<a>set</a>of rules to check whether a number is divisible by another number completely or not. This is called the Divisibility Test Method. </p>

34 <p><strong>Divisibility by 2:</strong>The number in the ones'<a>place value</a>is 8. Since 8 is an<a>even number</a>, 738 is divisible by 2. </p>

33 <p><strong>Divisibility by 2:</strong>The number in the ones'<a>place value</a>is 8. Since 8 is an<a>even number</a>, 738 is divisible by 2. </p>

35 <p><strong>Divisibility by 3:</strong>The<a>sum</a>of the digits in the number 738 is 18. Since 18 is divisible by 3, 738 is also divisible by 3. </p>

34 <p><strong>Divisibility by 3:</strong>The<a>sum</a>of the digits in the number 738 is 18. Since 18 is divisible by 3, 738 is also divisible by 3. </p>

36 <p><strong>Divisibility by 5:</strong>The unit’s place digit is 8. Therefore, 738 is not divisible by 5. </p>

35 <p><strong>Divisibility by 5:</strong>The unit’s place digit is 8. Therefore, 738 is not divisible by 5. </p>

37 <p><strong>Divisibility by 7:</strong>To check divisibility by 7, double the last digit (8 × 2 = 16). Then, subtract it from the rest of the number (73 - 16 = 57). Since 57 is divisible by 7, 738 is also divisible by 7. </p>

36 <p><strong>Divisibility by 7:</strong>To check divisibility by 7, double the last digit (8 × 2 = 16). Then, subtract it from the rest of the number (73 - 16 = 57). Since 57 is divisible by 7, 738 is also divisible by 7. </p>

38 <p><strong>Divisibility by 11:</strong>For 738, the alternating sum is 7 - 3 + 8 = 12, which is not divisible by 11, so 738 is not divisible by 11.</p>

37 <p><strong>Divisibility by 11:</strong>For 738, the alternating sum is 7 - 3 + 8 = 12, which is not divisible by 11, so 738 is not divisible by 11.</p>

39 <p>Since 738 is divisible by more than two numbers, it is a composite number.</p>

38 <p>Since 738 is divisible by more than two numbers, it is a composite number.</p>

40 <h2>Using Prime Number Chart</h2>

39 <h2>Using Prime Number Chart</h2>

41 <p>A prime number chart is a tool created using a method called “The Sieve of Eratosthenes.” In this method, we follow these steps:</p>

40 <p>A prime number chart is a tool created using a method called “The Sieve of Eratosthenes.” In this method, we follow these steps:</p>

42 <p><strong>Step 1:</strong>Write numbers from 1 to 1000 in rows and columns.</p>

41 <p><strong>Step 1:</strong>Write numbers from 1 to 1000 in rows and columns.</p>

43 <p><strong>Step 2:</strong>Leave 1 without coloring or crossing, as it is neither prime nor composite.</p>

42 <p><strong>Step 2:</strong>Leave 1 without coloring or crossing, as it is neither prime nor composite.</p>

44 <p><strong>Step 3:</strong>Mark 2 because it is a prime number and cross out all the<a>multiples</a>of 2.</p>

43 <p><strong>Step 3:</strong>Mark 2 because it is a prime number and cross out all the<a>multiples</a>of 2.</p>

45 <p><strong>Step 4:</strong>Mark 3 because it is a prime number and cross out all the multiples of 3.</p>

44 <p><strong>Step 4:</strong>Mark 3 because it is a prime number and cross out all the multiples of 3.</p>

46 <p><strong>Step 5:</strong>Repeat this process until you reach the desired range.</p>

45 <p><strong>Step 5:</strong>Repeat this process until you reach the desired range.</p>

47 <p>Through this process, we will have a list of prime numbers. 738 is not present in the list of prime numbers, so it is a composite number.</p>

46 <p>Through this process, we will have a list of prime numbers. 738 is not present in the list of prime numbers, so it is a composite number.</p>

48 <h2>Using the Prime Factorization Method</h2>

47 <h2>Using the Prime Factorization Method</h2>

49 <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>

48 <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>

50 <p><strong>Step 1:</strong>We can write 738 as 2 × 369.</p>

49 <p><strong>Step 1:</strong>We can write 738 as 2 × 369.</p>

51 <p><strong>Step 2:</strong>In 2 × 369, 369 is a composite number. Further, break down 369 into 3 × 123.</p>

50 <p><strong>Step 2:</strong>In 2 × 369, 369 is a composite number. Further, break down 369 into 3 × 123.</p>

52 <p><strong>Step 3:</strong>Now, break down 123 into 3 × 41.</p>

51 <p><strong>Step 3:</strong>Now, break down 123 into 3 × 41.</p>

53 <p>Thus, the prime factorization of 738 is 2 × 3 × 3 × 41.</p>

52 <p>Thus, the prime factorization of 738 is 2 × 3 × 3 × 41.</p>

54 <h2>Common Mistakes to Avoid When Determining if 738 is Not a Prime Number</h2>

53 <h2>Common Mistakes to Avoid When Determining if 738 is Not a Prime Number</h2>

55 <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>

54 <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>

56 <h2>FAQ on is 738 a Prime Number?</h2>

55 <h2>FAQ on is 738 a Prime Number?</h2>

57 <h3>1.Is 738 a perfect square?</h3>

56 <h3>1.Is 738 a perfect square?</h3>

58 <h3>2.What is the sum of the divisors of 738?</h3>

57 <h3>2.What is the sum of the divisors of 738?</h3>

59 <p>The sum of the divisors of 738 can be calculated by finding all its divisors first, but this is not typically provided directly.</p>

58 <p>The sum of the divisors of 738 can be calculated by finding all its divisors first, but this is not typically provided directly.</p>

60 <h3>3.What are the factors of 738?</h3>

59 <h3>3.What are the factors of 738?</h3>

61 <p>738 is divisible by 1, 2, 3, 6, 41, 82, 123, 246, 369, and 738, making these numbers the factors.</p>

60 <p>738 is divisible by 1, 2, 3, 6, 41, 82, 123, 246, 369, and 738, making these numbers the factors.</p>

62 <h3>4.What are the closest prime numbers to 738?</h3>

61 <h3>4.What are the closest prime numbers to 738?</h3>

63 <p>733 and 739 are the closest prime numbers to 738.</p>

62 <p>733 and 739 are the closest prime numbers to 738.</p>

64 <h3>5.What is the prime factorization of 738?</h3>

63 <h3>5.What is the prime factorization of 738?</h3>

65 <p>The prime factorization of 738 is 2 × 3 × 3 × 41.</p>

64 <p>The prime factorization of 738 is 2 × 3 × 3 × 41.</p>

66 <h2>Important Glossaries for "Is 738 a Prime Number"</h2>

65 <h2>Important Glossaries for "Is 738 a Prime Number"</h2>

67 <ul><li><strong> Composite numbers:</strong>Natural numbers greater than 1 that are divisible by more than two numbers are called composite numbers. For example, 14 is a composite number because 14 is divisible by 1, 2, 7, and 14. </li>

66 <ul><li><strong> Composite numbers:</strong>Natural numbers greater than 1 that are divisible by more than two numbers are called composite numbers. For example, 14 is a composite number because 14 is divisible by 1, 2, 7, and 14. </li>

68 </ul><ul><li><strong>Divisibility rules:</strong>A set of rules that help determine whether a number is divisible by another without performing division. For example, a number is divisible by 3 if the sum of its digits is divisible by 3. </li>

67 </ul><ul><li><strong>Divisibility rules:</strong>A set of rules that help determine whether a number is divisible by another without performing division. For example, a number is divisible by 3 if the sum of its digits is divisible by 3. </li>

69 </ul><ul><li><strong>Factors:</strong>The numbers that divide the number exactly without leaving a remainder are called factors. For example, the factors of 8 are 1, 2, 4, and 8 because they divide 8 completely. </li>

68 </ul><ul><li><strong>Factors:</strong>The numbers that divide the number exactly without leaving a remainder are called factors. For example, the factors of 8 are 1, 2, 4, and 8 because they divide 8 completely. </li>

70 </ul><ul><li><strong>Prime factorization:</strong>The process of expressing a number as a product of its prime factors. For example, the prime factorization of 18 is 2 × 3 × 3. </li>

69 </ul><ul><li><strong>Prime factorization:</strong>The process of expressing a number as a product of its prime factors. For example, the prime factorization of 18 is 2 × 3 × 3. </li>

71 </ul><ul><li><strong>Sieve of Eratosthenes:</strong>An ancient algorithm used to find all primes up to a specified integer. It involves iteratively marking the multiples of primes starting from 2.</li>

70 </ul><ul><li><strong>Sieve of Eratosthenes:</strong>An ancient algorithm used to find all primes up to a specified integer. It involves iteratively marking the multiples of primes starting from 2.</li>

72 </ul><p>What Are Prime Numbers? 🔢✨ | Easy Tricks & 🎯 Fun Learning for Kids | ✨BrightCHAMPS Math</p>

71 </ul><p>What Are Prime Numbers? 🔢✨ | Easy Tricks & 🎯 Fun Learning for Kids | ✨BrightCHAMPS Math</p>

73 <p>▶</p>

72 <p>▶</p>

74 <h2>Hiralee Lalitkumar Makwana</h2>

73 <h2>Hiralee Lalitkumar Makwana</h2>

75 <h3>About the Author</h3>

74 <h3>About the Author</h3>

76 <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>

75 <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>

77 <h3>Fun Fact</h3>

76 <h3>Fun Fact</h3>

78 <p>: She loves to read number jokes and games.</p>

77 <p>: She loves to read number jokes and games.</p>