6 and 35
6=2x3
35=5x7
Both are composite, yet they share no prime factors.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is.... 1 !
The GCF is 1.
The GCF is 1.
The greatest common factor of the numbers 11 and 19 is 1.
The GCF is 1.
The GCF of 4 and 10 is 2.
The GCF is 2.