Everything except 1, 2, 61 and 122
4 is not a factor of 18 and is a factor of both 8 and 12
Since 80 is a factor of 400, it is automatically the GCF.
Since 18 is a factor of 80, it is automatically the GCF.
The Greatest Common Factor (GCF) is: 10
61 and 80 don't have a common factor (except 1 which doesn't count).
70 and 80, yes. 12, no.
The GCF is 4.
Everything except 1,2,3,4,6 and 12
The GCF is 4.
Everything except 1, 2, 61 and 122
That would be 4
4 is not a factor of 18 and is a factor of both 8 and 12
Everything except 1,2,3 and 6.
No, 40 is a factor of 80.
No, 80 is a multiple of 4. 4 is a factor of 80.
6 is not a factor of 80