The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
The GCF is 21.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF of 18 and 42 is 6. The GCF of 42 and 56 is 14.
The GCF of 43 and 14 is 1
The GCF of 43 90 is 1.
The GCF of 43 and 18 is 1.
1 is the GCF for 17 and 43.
Since 43 is a factor of 86, it is automatically the GCF.
The GCF of 42 and 35 is 7.factors of 42: 2,6,7factors of 35: 5,7