78 and 64's highest common factor is two.
64 and 40's highest common factor is eight.
The Highest Common Factor is: 8
Yes and the highest common factor is 32
The highest common factor of both numbers is 32
It is: 1
It is 8
It is 4
64 and 16's highest common factor is 16.
8
The GCF is 4.
The HCF is: 8