Is 38 a Prime Number?

Is 38 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 38 is a prime number or composite, we need to divide it with numbers from 1 to 38. To find out the answer to this question "is 38 is a prime number" and to gain a detailed understanding of "how and why is 38 a prime number or a composite number?" Let's learn more.

• Is 38 a prime number? - No
• Is 38 a composite number? - Yes
• Factors of 38 - 1, 2, 19, 38
• Prime Factors of 38 - 2, 19
• Is 38 a perfect square? - No

Is 38 a Prime Number?

No, 38 is not a prime number. The number 38 is divisible by 1, 2, 19, 38. For a number to be classified as a prime number, it should have exactly two factors. Since 38 has more than two factors, i.e. 1, 2, 19, 38, it is not a prime number.

Why is 38 not a Prime Number?

To understand whether 38 is composite or prime, it is important to find its factors.

Factors of 38: 1, 2, 19, 38

Since 38 has more than 2 factors, we can say that 38 is not a prime number.

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Is 38 a Composite Number?

Yes, since 38 has more than two factors i.e. 1, 2, 19, 38. In other words, 38 is a composite number because 38 has more than 2 factors.

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Fun Facts:

• 5 is the only prime number having the last digit as 5.
• Euler discovered a polynomial n² + n + 41 that produces prime numbers for values of n that lie between 0 and 39 inclusive. It can generate 40 prime numbers for 0 <= n <= 39.
• Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 71 is a prime number and it can be written as 71 = 6 × 12 - 1

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