Composite.
A Prime number is a number that only has 1 and itself as its factors. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.
Prime
103 is a prime number.
1 is a prime number.
5x3x29
It is a composite number.
85 is composite.
21 is a composite number.
21 is a composite number.
75 is a Composite Number.
63 is a Composite Number.
180 is a Composite Number.
compostie