The GCF is 13.
The GCF of 78 143 and 156 is 13. This leaves you with 6, 11 and 12 after division respectively. These numbers cannot be broken down further by a common factor.
The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF of 143, 176 is 11.
The GCF of the given two numbers is 143
The GCF is 11.
The GCF is 11.
The GCF is 11.
The GCF of 169 and 343 is 1.