What is the greatest common factor of 24 and 10?

Answer 1

2 is the greatest common factor. Their prime factorization is as follows:

10 = 2 x 5

24 = 2 x 2 x 2 x 3

you can see that 2 is the only factor they have in common.
it would have to be 2 ;) not much goes into 10

Answer 2

2 is the answer