The GCF is 1
The GCF of 17 & 78 is... 1 - because 17 is a prime number, only divisible by 1 and itself - and 17 is not a factor of 78.
The GCF is 3.
The GCF is 3.
The GCF is 26.
The GCF is 26.
The GCF is 6.
The GCF is 2.
The GCF is 2.
The GCF of 78 and 30 is 6.
The GCF is 2.
The GCF is 1.
what is the gcf of 78 and 56