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15 April, 05:05

What is the lcm of each group of numbers 3,9,15

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Answers (2)
  1. 15 April, 06:25
    0
    Answer: 45

    Step-by-step explanation:

    By factor method,

    3 = 1, 3

    9 = 3, 3

    15 = 3, 5

    LCM = 3*3*5

    =45
  2. 15 April, 07:45
    0
    45

    Step-by-step explanation:

    Multiples of 3: 3, 6, 9, 12, 15, 18, 27, 30, 33, 36, 39, 41, 45, ...

    Multiples of 9: 9, 18, 27, 36, 45 ...

    Multiples of 15: 15, 30, 45, 60, ...

    The lowest multiple they have in common is 45
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