The GCF is 3.
The GCF is 9.
The GCF is 1.
The GCF is 9.
It can be. 78 is a factor of 156.
The greatest common factor of 78 and 546 is 78.
Since 26 is a factor of 78, all the factors of 26 are common to 78.
The GCF is 3.
38 isn't a factor of 78.
78 2x39
Greatest common factor of 78 and 286 is 26.
The greatest common factor of 12 and 78 is 6.