H.C.F of 45, 81 and 27 is _____.
45
27
9
Factors of 45 = 1, 3, 5, 9, 15, 45
Factors of 81 = 1, 3, 9, 27, 81
Factors of 27 = 1, 3, 9, 27 ∴ The common factors of 45, 81 and 27 are 1, 3 and 9.
So, the H.C.F of 45, 81 and 27 = 9.
Find the HCF and LCM of 8/9, 10/27 and 16/81 .
D is the hcf of 45 and 27 find x and y satisfying d=27x+45y