63 Is composite because if you were to divide or (Example:) Think: Does 63 have other factors besides 1 and itself? That is how you know your answer is correct.
It is a composite number.
composite
its prime
a prim number is a number that only one and its self can go it to it ....... And a composite number is when other numbers can go in to it
prime
1*3*3*7=63
63 is a composite number
53 is a prime number
17 is prime.
63 is composite, being a multiple with factors 3 x 3 x 7.
63 is composite.
composite number. 9x7=63