The GCF is 1.
Type your answer here... the gcf would be 7
The factors of 21 are: 1, 3, 7, 21. The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56.
The GCF is 7.
The GFC= 2 :)LOL
76
Their GCF is 7 . I don't know what a GFC is.
It is one.
The GCF is 21.
It is: 21
The GCF is 21.
It is: 3
7
7
The GCF is 7.
The GCF is 1.
The GCF is 1.