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The number five is a Prime number because its only factors are 1 and itself. To be a composite number, a number has to have more than those two factors.
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Is 135 a prime or composite number?
135 is not prime. 135 = 3 * 3 * 3 * 5135 is a composite number because its factors are:1x1353x455x279x151, 3, 5, 9, 15, 27, 45, and 135.*NOTE: All numbers that have a 0 or a 5 in it are composite, except 5 because they will always have a third factor, 5.
Is 25 prime or composite?
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.
Is 25 a prime or composite?
composite composite
207 prime or composite?
composite
Is 573 prime or composite?
It is composite.
