Is 15 prime or composite

Answer 1

15 is a composite number because it has more than two factors. Its factors are 1, 3, 5, and 15.
15 is a composite number as it is divisible by 1, 3, 5 and 15.
composite. 3*5=15
15 is a composite number because it has more than 2 factors

Answer 2

15 is not prime. 15 = 3 * 5, so 15 is composite.

Answer 3

Only positive integers (whole numbers, counting numbers) are prime or composite.

Answer 4

A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 15 is composite.

Answer 5

Neither.

Answer 6

Composite

Answer 7

Prime

Answer 8

Prime

Answer 9

prime