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The GCF is 21.
gcf for 42 105 126 is 21.
The GCF is 7.
The GCF is: 42
Lcm: 126 gcf: 7
The GCF for 210 126 is 42.
The GCF of 63, 84 and 126 is 21. The GCF of 6384 and 126 is 42.
GCF of 42 and 112 and 105 is 7.
The GCF is 42.
21