The GCF of 60 and 120 is 60.
It is: 1
479 and 958 have a GCF of 479.
9 and 126
4 and 8
You need at least two numbers to find a GCF.
You need at least two numbers to find a GCF.
The GCF of 90 and 180 is 90.
The GCF will, yes.
The GCF is, yes.
No, their GCF is always odd.
Since you want to find the numbers that has 33x__ as the highest, I believe 66, and 99 should work.
If you're looking for a GCF, you need at least two numbers to find one of those.