17 is a Prime number that does not divide evenly into 100. The only factor they have in common is 1.
GCF of 102 and 17 is 17.
The GCF is 17.
The GCF is 17.
The GCF is 100.
The GCF is 17.
The GCF of 11 and 17 is 1!
The GCF is 17.
The GCF is 1.
Since 17 is a factor of 34, it is automatically the GCF.
The GCF/HCF of 17 and 51 is 17.
The GCF is 100.
The GCF is 5.