| Factors | 
|---|
| Factors are two (or more) whole numbers that are multiplied to form a product. | 
Take the value "2".
"2" has two factors, 2 and 1.
It's easy to find the factors of small numbers, but it gets more complicated as numbers get larger.
| Factor Pairs | 
|---|
| For more complex numbers, Factor Pairs can be used to find all factors of a number. | 
Let's use a table to find all the factor pairs of "36":
|   | Figure 1. | 
|---|
Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36