GCF(42, 63, 84) = 21.
The GCF is 21.
3The GCF is: 2121.The GCF is 21.
The GCF is 21.
The Greats Common Factor (GCF) is 21 63: 1,3,7,9,21,63 42: 1,2,3,67,14,21,42 21: 1,3,7,21 They all number 21 listed in there the Factors
The GCF is 21.
The GCF is 21.
The GCF is 21.
The GCF is 3.
GCF(42, 63, 84) = 21.
The GCF is 21.
The GCF is 21.
The GCF is 21.
It is: 21
The GCF is 21.
The greatest common factor (GCF) of 42 and 63 is 21.To find the GCF (greatest common factor) of two numbers, first prime factorize them.42 = 2*3*763 = 3*3*7The GCF must be able to contain factors such that if divided by 42 or 63, the answer will be an integer.The GCF is 21.21
The GCF is 7.