The GCF is 6.
The HCF of 12 and 60 is 12
6
The GCF is 12.
The GCF is 20.
The GCF is 4.
At least 2 or more numbers are needed to find their hcf but 66 as a product of its prime factors is: 2*3*11 = 66
HCF is the highest common factor of two or more numbers. One such pair which has 60 as their HCF can be: 120 and 180.
11
The HCF of 66 and 121143 is 33
The GCF is 12.
The GCF is 12.
The HCF of 60 is 60. But it's a factor as opposed to a common factor because there's only one number.