Find the highest common factor of
- find the highest common factor of 84 and 120
- find the highest common factor of 72 and 90
- find the highest common factor of the following
- find the highest common factor of 60 and 114
- find the highest common factor of 24 and 36
- find the highest common factor of 12 and 30
- find the highest common factor of 60 and 96
- find the highest common factor of 18 and 24
- find the highest common factor of 18 and 12
- find the highest common factor of 36 and 84
