The GCF is 6.
The GCF is 6.
the gcf ( greatest common factor ) of 42 , 72 , and 84 is 6 .
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF is 42.
The GCF of 84, 63 and 42 is 21.
The GCF of 42 and 84 is 42.
The GCF is 7.7 is the GCF of 42, 49 and 84.
The GCF of 72 and 84 is 12.