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.
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.
Only 63 is a composite. 63 = 3 x 3 x 7 The other three numbers (13, 31, 61) are all prime numbers.
It is not a prime nor a coposite. It is a composite number, though.
3 and 7.
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. (63 has more that two factors: 1, 3, 7, 9, 21, and 63)
No. 63 is a composite number with two unique prime factors. 63 = 3 * 3 * 7
It is a composite number because it has more than two factors