The GCF is 1.
The GCF of 42, 65, and 10 is 1.
The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
The GCF is 5.
The GCF is 21.
The GCF of 18 and 42 is 6. The GCF of 42 and 56 is 14.
The gcf of 260 and 325 is 65.
The GCF is 13.
The GCF is 5.
The GCF is 65.
The GCF is 5.
The GCF is 1.
The GCF of 42 and 35 is 7.factors of 42: 2,6,7factors of 35: 5,7