The GCF is 2.
The GCF of 42, 60, 78 is 6.
The GCF of 24, 42, and 60 is 6.
The GCF is 6.
The GCF is 6
The GCF is 6.
The GCF of 42, 30, 60 and 48 is 6.
The GCF is 4.
They am 6
The GCF is 6.
The GCF of 26, 42, 64, and 76 is 2.
The greatest common factor of 60 and 64 is 4.