The GCF is 7.
The greatest common factor of 42, 77 and 84 is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 42.
The GCF of 84, 63 and 42 is 21.
Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42Factors of 77: 1, 7, 11, 77Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84GCF (42, 77, 84) = 7
The GCF of 42 and 84 is 42.