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In practical terms, it is only necessary to find the LCM of 16 & 18 as 9 is a factor of 18.

Express each number in terms of its prime factors.

16 = 2 x 2 x 2 x 2 = 24

18 = 2 x 3 x 3 = 2 x 32

The LCM is the product of the highest power of each prime factor.

The highest power of 2 is 24 and of 3 is 32.

The LCM is therefore 24 x 32 =16 x 9 = 144

More answers

LCM(18, 9, 16) = 144.

LCM(18, 9, 16) = 144.

144

Q: What is the LCM of 9 and 16 and 18?

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144

LCM(9, 16, 18) = 144

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The Least Common Multiple (LCM) for 18 16 9 is 144.

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The LCM of 18 and 16 is 144.

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