Question

Find the HCF of 18 , 54,81 ​

Answer 1

Answer:

HCF of 18 , 54,81 is 9

Step-by-step explanation:

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Answer 2

9

Step-by-Step Explaination

18 = 2 x 3 x 3

54 = 2 x 3 x 3 x 3

81 = 3 x 3 x 3 x 3

Multiply all the factors which appear in both the list. i.e 3 x 3 = 9

The HCF of 18, 54 and 81 is 9.