Question

How do you find the greatest common factor of 77, 66?

Answer 1

`GCF(66,77)=11`

Explanation:

factors 77: `{1,7,11,77}`

factors 66:`{1,2,3,6,11,22,33,66}`

common factors `{1,7,11,77}nn{1,2,3,6,11,22,33,66}`

CF`{1,11}`

`GCF(66,77)=11`