# Is 11 a prime number or a composite number?

We can classify whole numbers as prime numbers or composite numbers based on the numbers of their factors. In this article, we will learn whether 11 is a prime number or a composite number.

## Is 11 a Prime Number?

By definition, a prime number has factors 1 and the number itself. So the prime numbers have only two factors.

We know that 11 is divisible by 1 and 11 only.

So the factors of 11 are 1 and 11. ⇒ 11 has two factors.

∴ 11 is a prime number.

## Is 11 a Composite Number?

We know that a composite number always has more than two factors. As 11 has only two factors: 1 and the number 11 itself, we deduce that

11 is not a composite number.

Also Read: Is 2 a prime number

## FAQs

Q1: Is 11 a prime or composite number?

Answer: As 11 is divisible only by 1 and 11, the number 11 is a prime number. 11 is not a composite number.

Q2: Is 11 a perfect square number?

Answer: No, 11 is not a perfect square.

Q3: Is 11 a composite number?

Answer: As 11 has only two factors 1 and 11, the number 11 is not a composite number. It is a prime number.

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