Question

What is a prime and composite number?

Answer 1

A Prime Number can be divided evenly only by 1 or itself.
And it must be a whole number greater than 1. It is a Composite Number when it can be divided evenly
by numbers other than 1 or itself.

Answer 2

A Prime Number is a number that you can only get by multiplying it by itself and 1.

A Composite Number is a number that has more than one way to get the the solution.

Examples:

Prime: 17. only way to get it is 1×17

Composite: 15. 1×15 obviously. also 3×5