The GCF of 65, 143, and 156 is 13.
The GCF is 13.
The GCF is: 13
GCF = 13
The GCF is 13.
The GCF is 13.
13The GCF is 13.
It is: 13
The GCF is 13.
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.