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The GCF is 7.7 is the GCF of 42, 49 and 84.
The GCF of 42 and 84 is 42.
GCF(42, 63, 84) = 21.
7
The GCF is: 7.
GCF(84, 77, 49) = 7.
The GCF is 7.
It is 7The GCF is 7.
The GCF is 42.
The common factors are: 1, 2.
The GCF is 1.
The GCF is 6.