2
1,2,3,6,7,14,21,42
21
The GCF is: 6
6 I believe.
The common factors are: 1, 2
It is: 21
The common factors are: 1, 2
28 factors to [2 2 7] 36 factors to [2 2 3 3] Common factors are [2 2] Answer is 1, 2 and 4
The common factors of 34 and 56 are 1 and 2
The common factors of 56 and 18 are 1 and 2.
Common factors of 2 and 4 are: 1.
The common factors are: 1, 2.