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The least common multiple is the smallest number that is multiple of two or more numbers.

21: 21, 42, 63

63: 63

The LCM of 21 and 63 is 63.

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โˆ™ 2014-09-23 14:55:36
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A mathematical expression of a natural law

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Q: What is the LCM of 21 and 63?
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