The GCF is: 7
The GCF is 7.
The GCF is 7.
7
LCM(56, 84) = 168 GCF(56, 84) = 28
The GCF of 21, 56, 63, and 84 is 7.
The GCF is 7.
The GCF is 14.
The GCF is 7.
The GCF is 7.
If that's 28, 56 and 84, the GCF is 28. If that's 2856 and 84, the GCF is 84.
The GCF is 28.
The GCF is: 14