Find the highest common factor of 32 and 40

- Find the highest common factor of 28 32 and 40
- Find the highest common factor of 20 32 and 40
- Find the highest common factor of 28 32 and 40 hcf 28 32 40
- Find greatest common divisor of array
- Highest common divisor
- Greatest common denominator
- Greatest common multiple
- Greatest common divisor javascript