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What is the LCM of 21 90?

Updated: 8/19/2019
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Wiki User

12y ago

Best Answer

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3*7=21

3*30=90

* * * * *

That is the Greatest Common Factor, GCF, not the LCM.

LCM(21, 90) = 630

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12y ago
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Q: What is the LCM of 21 90?
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