lcm(9, 12) = 36; hcf(9, 12) = 3.
HCF(9, 12) = 3
The HCF of 12 and 60 is 12
The GCF is 12.
3.
The GCF is 2.
You need at least two numbers to find a GCF.
The HCF of 40 & 12 is... 4
The hcf of 12 & 36 is 12
the HCF is 6
The GCF is 9.
HCF of 27,63,207