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Neury · Answer 1 · 2018-10-17T21:26:53+0000

The least common multiple is 21. I got this by going through the multiples of the larger number, with the first one being 21. Becuase 21 times 1 is 21 and 7 times 3 is 21 so 21 is the LCM.

Marzieh Mousavi · Answer 2 · 2018-10-19T23:46:06+0000

The least common multiple (LCM) of a set of numbers is the lowest value that all of the numbers can be divided by and have a result of a whole number.

In this case, the least common multiple is 21 because 21/7=3 and 21/21=1.

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