The factors of 78 are 1, 2, 3, 6, 13, 26, 39, and 78.The factors of 81 are 1, 3, 9, 27 and 81.
The GCF is 3.
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.