12 is the highest common factor of 36, 84, and 132.
The GCF is 12.
The highest common factor of 36 and 84 is 12. 36 divided by 12=3 And 84 divided by 12=7.
The GCF is 12.
84
hcf = 42, lcm = 84.
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132.
The GCF is 28.
The GCF is 7.
If you mean: 55, 77 and 132 then the hcf is 11
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, . . .
The GCF is 2.
The GCF is 24.