The LCM of 3 and 7 is

asked Mar 12, 2017 197k views

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The LCM is the least common multiple and the lowest number that they are both divisible by is 21.

Alex Andrei answered Mar 13, 2017

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1 vote

21 is the answer because
3:3 6 9 12 15 18 21
7:7 14 21
its super easy just do it like this

Dan McCallum answered Mar 15, 2017

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