Since 154 is a factor of 308, it is automatically the GCF.
The GCF is 7.
The GCF is 14.
The GCF is 14.
The GCF is 14.
The GCF is 1.
The GCF is 14.
The GCF of 154 and 28 is 14.
The greatest common factor of 22 and 39 is 1.
The GCF of 98, 154 and 168 is 14.
GCF of 154 and 231 = 77 -Red Mist
The GCF of 42 and 154 is 14.