Find the greatest common factor of and

- Find the greatest common factor of and 42 28 70
- Find the greatest common factor of and 18 36 45
- Find the greatest common factor of and 10 30 45
- Find the greatest common factor of 30 and 18
- Find the greatest common factor of 28 and 42
- Find the greatest common factor of 63 and 42
- Find the greatest common factor of 15 and 42
- Find the greatest common factor of 90 and 135
- Find the greatest common factor of 14 and 55
- Find the greatest common factor of 210 and 90
- Find the greatest common factor of 49 and 98
- Find the greatest common factor of 15 and 45
- Find the greatest common factor of 36 and 63
- Find the greatest common factor of 26 and 14
- Find the greatest common factor of 44 and 16