The GCF is 3.
The GCF of 20, 63 is 1.
Factors of 20: 1, 2, 4, 5, 10, 20.Factors of 63: 1, 3, 7, 9, 21, 63.GCF (20, 63) = 1
gcf(20, 30, 90) = 10
The GCF is 5.
The GCF of 30, 50, 20 is 10.
The GCF for 20 30 18 is 2
The GCF of 20 and 40 is 20 The GCF of 15 and 30 is 15 The GCF of 15, 20, 30 and 40 is 5.
The GCF of 30 and 20 is 10. Chart it however you wish.
The GCF is 10.
The GCF is 3.
The GCF is 3.