Find the HCF of 18,54,81
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The HCF of 18, 54 and 81 is 9.
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Let’s find the HCF by prime factorization method.
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.
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