Question

How do you find the GCF of 15 and 25?

Answer 1

`5`

Explanation:

The Greatest Common Factor of `15 and 25 " is " 5.`

The factors of `15` are `3 and 5`
(the number itself and 1 do not count).

The factor(s) of `25 " is " 5`. After all, it is a square number.

The only factor that is in common is `5`

(again remember that 1 does not count here -although `1` is common, `5` is higher)

Hope I helped!