Is 63 a composite or prime?

Answer 1

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)

Answer 2

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

Answer 3

63 is a composite number because it has 6 factors: 1, 3, 7, 9, 21, and 63.