10
The GCF is 10.
The highest common factor (HCF) is 10.
The HCF of 25 and 50 is... 25.
The GCF is 10.
HCF is the highest common factor of two or more numbers. HCF of 20 and 200 is 20.
The GCF is 20.
The GCF is 4.
The GCF is 1.
Well, darling, the highest common factor (HCF) of 20, 40, and 50 is 10. It's like finding the biggest diva in the room - 10 takes the crown for being able to divide all three numbers without breaking a sweat. So, there you have it, the HCF is 10, case closed.
20
20