0
Anonymous
The GCF is 5.
Wiki User
The GCF is 4.
It is one
It is: 80
1 and 5
20
The highest common factor of 812 and 20 is 4
4
140
It is: 5
1, 2 and 4.
46 = 23 x 2; 20 = 5 x 2 x 2, so 2 is the Greatest Common Factor.
1 and 2