7
The GCF is 1.
7 is the highest common factor of 21, 77 and 91.
Because 7 is the largest positive integer that divides evenly into all of those numbers with no remainder.
7 is the greatest common factor of 49, 77 and 91.
The GCF is 7.
7
7 is the highest common factor of 21, 77 and 91.
The HCF of 28 77 and 91 is 7, since 7 goes into all the numbers and all the numbers above it dont.
The GCF is 7.
13
The GCF is 7.
The GCF is 1.
7
The GCF is 7.
The GCF is 1.
The GCF is 7.