Question

What is the GCF of 40, 10

Answer 1

The greatest common factor (GCF) of a set of numbers is the largest factor that all the numbers share.

Thus,

The factors of 40 are;

$1,2,4,5,8,10,20,40$

The factors of 10 are;

$1,2,5,10$

Thus, the greatest common factor to 40 and 10 is;

$10$

CORRECT ANSWER: 10