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22 July, 13:57

What's the LCM of 3 and 7

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Answers (2)
  1. 22 July, 16:44
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    The least common multiple of 3 and 7 is 21

    3,6,9,12,15,18,21

    7,14,21
  2. 22 July, 17:57
    0
    First, list multiples of 3 and 7. 3: 3, 6, 9, 12, 15, 18, 21 ... 7: 7, 14, 21 ... 21 is the LCM because it is the lowest multiple that the two share.
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