The GCF of 20, 63 is 1.
The GCF of 20, 30 and 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
The GCF of 15, 24, and 72 is 3. There is no GCF for 63, 20, and 50. This makes it relatively prime.
The GCF is: 63
The GCF is 21.
The GCF is 9.
The Greatest Common Factor is 3
The GCF is 9.
The GCF is 63.
The GCF is 1.
The GCF is 7.
The GCF is 9.