The Greatest Common Factor of 28, 42, 63: 7
Chat with our AI personalities
The GCF is 7.
The Greatest Common Factor (GCF) is: 6
21 itself is the greatest common integral factor, since 21 X 2 = 42.
The greatest common factor (GCF) is: 14.
Common factors of 28 and 42 are: 1, 2, 7, and 14.