What is a composite number and how is it composite?

Answer 1

Well, a composite number is a number with more than one factor. Such as,

4 - 1,2,4

6 - 1,2,3,6

9 - 1, 3, 9

Prime numbers only have one and itself, such as:

11 - 1,11

13 - 1,13

17 - 1,17