To find the HCF of 36 and 66 you first need to express them as a product of their prime factors:
36 = 2x2x3x3
66 = 2x3x11
The next step is to identify any common prime factors. In this case, both numbers have a 2 and a 3 as prime factors. Multiply these together, and you get:
2x3 = 6
Thus the hcf of 36 and 66 is 6.
The GCF is 6.
The GCF is 4.
The GCF is 9.
The GCF is 18.
The GCF is 12.
The GCF is 4.
It is 36
36
The hcf of 12 & 36 is 12
The GCF is 12.
The hcf is 12
The HCF is: 2