What is the greatest common factor of 40 and 24?

1 Answer
Jun 3, 2016

8

Explanation:

In order to find the LCM, we should found the prime numbers of the factors first.

2*2*2*5=40

3*2*2*2=24

The common numbers are the three 2's. by multiplying the common prime factors of the two together, we'll find the LCM

2*2*2=8