Question

HCF of 18, 54, 81.
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Answer 1

Answer:

The HCF of 18, 54, and 81 is 9.

Step-by-step explanation:

Find the common factors for the numerical part: 18,54,81

The factors for 18 are 1,2,3,6,9,18.

The factors for 54 are 1,2,3,6,9,18,27,54.

The factors for 81 are 1,3,9,27,81.

List all the factors for 18,54,81 to find the common factors.

18: 1,2,3,6,9,18

54: 1,2,3,6,9,18,27,54

81: 1,3,9,27,81

The common factors for 18,54,81 are 1,3,9.

1,3,9

The (HCF) of the numerical factors 1,3,9 is 9.

9.

So, the HCF of 18, 54, and 81 is 9.