0
Anonymous
11
Wiki User
7
The GCF is 7.
7 is the highest common factor of 21, 77 and 91.
The HCF of both numbers is 11
If you mean: 55, 77 and 132 then the hcf is 11
The HCF of 77 and 161 is 7
It is: 1
1
77 and 1
10
22
110
It is: 11