The factors of 57 are:
1, 3, 19, 57
The factors of 78 are:
1, 2, 3, 6, 13, 26, 39, 78
The common factors are:
1, 3
The Greatest Common Factor (GCF) is:
3
The GCF is 3.
The GCF is 3.
You need at least two numbers to find a GCF.
The GCF is 1.
The GCF is 3.
The GCF is 2.
The GCF is 6.
The GCF is 26.
The GCF is 3.
The GCF is 3.
The GCF is 2.
The GCF is 1.