The GCF is 3.
The GCF of 18 and 42 is 6. The GCF of 42 and 56 is 14.
3 is the GCF of 42 and 45
The GCF is 6.
The GCF is 6.
The GCF of 18 and 27 is 9.
Their GCF is 1. There is no larger common factor.
The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
The GCF is 3.
The GCF is 9.
the GCF of 45 48 and 18 is 3
42 / 18 = 2 r 6 18 / 6 = 3 r 0 -> gcf of 42 and 18 is 6.
The GCF is 9.