Math Dictionary / Factor
Factor
A factor is a number or expression that divides another number or expression evenly.
Number SystemGrade 4Grade 5Grade 6Grade 7GED
What it means
Factors multiply together to make a product.
Also called: divisor
Examples
| 3 is a factor of 12 |
| 4 x 5 has factors 4 and 5 |
| x is a factor of 3x |
Common mistake
A factor divides evenly; it does not leave a remainder.
Try one
Question: Is 6 a factor of 24?
Show answer
Yes, because 24 / 6 = 4.