Hcf of 77 132 143

To find the highest common factor (HCF) of 77, 132, and 143, we first need to break down each number into its prime factors.

77 = 7 x 11 132 = 2^2 x 3 x 11 143 = 11 x 13

Next, we identify the common prime factors among the numbers, which are 11. Therefore, the HCF of 77, 132, and 143 is 11.