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What is the LCM of 21 14 and 9?

Updated: 9/21/2023
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Wiki User

12y ago

Best Answer

It's 126.

-- the 6th multiple of 21

-- the 9th multiple of 14

-- the 14th multiple of 9

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Wiki User

12y ago
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Wiki User

9y ago

lcm(14, 9, 21) = 126.

14 = 2 x 7

9 = 3^2

21 = 3 x 7

lcm = 2 x 3^2 x 7 = 126

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9y ago

It is: 126

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Q: What is the LCM of 21 14 and 9?
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