The factors of 6 are: 1, 2, 3, 6
The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
The common factors are: 1, 2, 3, 6
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF is 6.
6 and 72, respectively.
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF is 6.