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hcf(18, 54, 81) = 9.

Using prime factorization:

18 = 2 x 3^2

54 = 2 x 3^3

81 = 3^4

hcf = 3^2 = 9

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8y ago

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More answers

3x3=9

HCF=9

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swati tyagi

Lvl 2
1y ago
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Q: What is the HCF of 18 54 and 81?
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