25 is a composite because it is also divisible by 5. As soon as you see that '5' on the end, you know it's a multiple of 5, regardless of what came before the '5'.
Since it has at least one more factor in addition to '1' and itself, it's not a Prime number.
It is composite.
5 prime, 25 composite.
composite composite
Composite.
25 is composite.
composite
25 is not a prime number. It is composite.
composite and square
25 is a Composite Number.
25 is a composite number. 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.
25 is a composite number because it has more than two factors
composite because it has more than two factors
10, 25, 50 are the composite factors of the composite number 50. 2 and 5 are prime.