The GCF is 1.
The Greatest Common Factor of 14, 35, 42 is 7.
The GCF of 35, 84 and 56 is 7. This leaves a remainder of 5, 12 and 8. There is no further common factor other than 1 for the resulting numbers.
The GCF is 1.
The GCF is 1.
The GCF is: 7
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 1.
The GCF is 7.