1 x 17 & 2 x 59 have no common factor other than 1.
You need at least two numbers to find a GCF.
The gcf of 12 and 118 is 2.
The GCF is 2.
The GCF is 2.
The GCF is 1.
It is: 1
GCF of 102 and 17 is 17.
The GCF of 60 and 118 is 2.
The GCF is 17.
The GCF is 2.
The GCF is 17.
The GCF is 17.