Answer :

MathG33k
It's 2, the only factors 26 has is 1,2,13, and 26. So it has to be 2 since none of the other factors relate to the other numbers.
mudbugg3
All three numbers are even there for can all be divided by 2.
If you divide 26 by 2 you get 13
48 by 2 you get 24
and 62 by 2 you get 31
the GCF is 2