The HCF is 3
hcf(10, 21) = 1 ⇒ 10 & 21 relatively prime hcf(12, 54) = 6 ⇒ 12 & 54 not relatively prime hcf(15, 27) = 3 ⇒ 15 & 27 not relatively prime hcf(21, 38) = 1 ⇒ 21 & 38 relatively prime
gcf(12, 48, 27) = 3. 12 = 2^2 x 3 48 = 2^4 x 3 27 = 3^3 hcf = 3
27
27
It is: 27
The HCF of 12 and 60 is 12
The GCF is 12.
The GCF is 27.
The GCF is 2.
The HCF of 40 & 12 is... 4
The hcf of 12 & 36 is 12