Is 171 a prime number or a composite?

Answer 1

A Prime number is a number that is divisible only by 1 and itself; it has no other factors. A composite number is a number that is divisible by more than 2 numbers. The factors of 171 are 1, 3, 9, 19, 57, and 171. Therefore, 171 is a composite number.
It is a prime number, because there is no other factors apart from 1 and itself, which is 171.
171 is a composite number. The prime factors for 171 are 3, 3, and 19.

3 x 3 x 19 = 171

Answer 2

19 x 9 = 171

so it is a composite number

Answer 3

It is composite, it is divisible by 3.