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# what is the least common multiple of 21 and 16?

what is the least common multiple of 21 and 16?

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- amy02Lv 51 decade agoFavorite Answer
21 is 3 times 7

16 is 2 to the 4th power (2 times 2 times 2 times 2)

So these numbers have no factors in common.

Therefore, to find the least common multiple, you multiply them together:

21 x 16 = 126 + 210 = 336

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