The GCF is 24.
If you mean: 55, 77 and 132 then the hcf is 11
It is: 12
The HCF of 48 and 72 is 24. The LCM is 144.
6 is the HCF of 18 & 48
11
The Highest Common Factor (HCF) of 55, 77, and 132 is the largest number that divides all three numbers without leaving a remainder. To find the HCF, you can first find the prime factors of each number: 55 = 5 x 11, 77 = 7 x 11, and 132 = 2^2 x 3 x 11. Then, identify the common prime factors among the numbers, which are 11. Therefore, the HCF of 55, 77, and 132 is 11.
It is: 11
It is 11
It is: 11
It is 11
11