How do you find the GCF of 15 and 25?

1 Answer
Jul 29, 2017

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!