6th Grade - 9/7/10 Homework Hint

Prime Number - A number that can only be created by itself and 1;
Composite Number - A number that can be created by more then 1 and itself.

Ex.

1. 13 - Factors 1 x 13; therefore 13 is a Prime Number.
2. 81 - Factors 9 x 9; 3 x 27; 81 x 1; therefore 81 is a Composite Number.