72 = 2 x 2 x 2 x 3 x 3
126 = 2 x 2 x 3 x 7
The common prime factors are 2, 2, and 3.
Therefore the greatest common factor is 2 x 2 x 3 = 12
18
The GCF is 18.
The GCF is 18.
The GCF is 18.
It is: 18
The GCF is 18.
The GCF is 18.
The GCF is 126.
The GCF of 63, 84 and 126 is 21. The GCF of 6384 and 126 is 42.
The GCF is 14.
The GCF is 18.
The GCF for 210 126 is 42.
The GCF of 126 and 4 is 2.