Question

HCF of 18 54 81 show in method
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Answer 1

Answer:

Step-by-step explanation:Image result for HCF of 18 54 81 show in method

Therefore, HCF of 27 and 45 is 9. Solution: Let's find the HCF by prime factorization method. The HCF of 18, 54 and 81 is 9.

Answer 2

18 = 2 x 3 x 3

54 = 2 x 3 x 3 x 3

81= 3 x 3 x 3 ×3

Multiply all the factors which appear in both the list.

i.e 3 x 3 = 9

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

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