1, 2, 3, 4, 6, 12
1, 2, 3, 6, 7, 14, 21, 42
2,4,6,8,64564566,6364354555456456
1, 2, 13, 261, 2, 3, 6, 7, 14, 21, 42
252
It is: 168
42
The GCF is 6.
The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
14
It is 14
The GCF is 6.
The GCF is 14.
The Greatest Common Factor is 6