Is 10 a Prime Number?

Is 10 a prime number? "No, 10 is not a prime number." A number can be classified as prime or composite depending on the factors it contains; it could either have only 2 factors or more than 2 factors. Numbers like 757 with only 2 factors, i.e. 1 and 757 are called prime numbers. However, numbers like 455 with more than 2 factors are called composite numbers. Let us find out how and why is 10 a prime number or a composite number?

• Is 10 a prime number? - No
• Is 10 a composite number? - Yes
• Factors of 10 - 1, 2, 5, 10
• Is 10 a perfect square? - No
• Prime Factors of 10 - 2, 5

Is 10 a Prime Number?

No, 10 is not a prime number. The number 10 is divisible by 1, 2, 5, 10. For a number to be classified as a prime number, it should have exactly two factors. Since 10 has more than two factors, i.e. 1, 2, 5, 10, it is not a prime number.

Why is 10 not a Prime Number?

To understand whether 10 is prime or composite, it is important to find its factors.

Factors of 10: 1, 2, 5, 10

Since 10 has more than 2 factors, we can say that 10 is not a prime number.

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Is 10 a Composite Number?

Yes, since 10 has more than two factors i.e. 1, 2, 5, 10. In other words, 10 is a composite number because 10 has more than 2 factors.

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Fun Facts:

• 23 is the smallest prime number having consecutive digits.
• 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.
• A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (311, 313) are twin prime numbers.

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