Question

What is the greatest common factor of 4, 20 ,10?

Answer 1

Its 2

Explanation:

It is two because all the numbers are divisible by 2, however 10 is not divisible by 4 so you have to move a number down to 2. Enjoy

Answer 2

2

Explanation:

Anytime you have all even integers... the greatest common factor is always 2