gcf(15, 42) = 3.
The GCF is 3.
The GCF is 21.
Factors of 15: 1, 3, 5, 15. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42. GCF (15, 42) = 3
The GCF of 42 and 35 is 7.factors of 42: 2,6,7factors of 35: 5,7
The GCF is 6.
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF is 15.
The answer is 3
The GCF is 3.
As written, the GCF is 6. If that's 15, 42 and 84, the GCF is 3.
The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
You need at least two numbers to find a GCF.
The GCF is: 27
The GCF is: 3