The greatest common factor (GCF) of 312 and 390 is 78.
The GCF is 4.
The GCF is: 156
The GCF is 12.
The GCF of 84 and 312 is 12.
LCM is 312 GCF is 26
The GCF is 1.
The GCF/HCF of 156 and 312 is 78.
The GCF is 4.
The GCF is 26. The LCM is 312.
The GCF of 312 and 18 is 6. The GCF of 3, 12 and 18 is 3.
The GCF is 6.