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13 is a Prime number, 63 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.

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Q: Is 13 and 63 a prime or composite number?

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13 prime 63 composite 61 prime 31 prime Well the question should have been either, Which one of these numbers is not a composite number? Or, Which one of these numbers is not a prime number?

63 is a composite number

composite number. 9x7=63

It is a composite number.

63 is a Composite Number.

63 is composite.

It is not a prime nor a coposite. It is a composite number, though.

63 has more than two factors and so it is a composite number.

Only 63 is a composite. 63 = 3 x 3 x 7 The other three numbers (13, 31, 61) are all prime numbers.

63 is a composite number because it can be divided by 3 which equals 21.

3 and 7.

63 is composite.

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