What is a prime and composite number?

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.

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