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23 June, 11:29

What is the LCM of 4 5 and 3

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Answers (1)
  1. 23 June, 11:53
    0
    It is not necessary to break these values into their prime factors.

    We can find the LCM by inspection.

    3

    and

    5

    are already prime, but we should notice that

    3

    ,

    4

    and

    5

    do not have any common factors at all.

    The LCM must be divisible by all them, so there needs to be a

    3

    , a

    4

    and a

    5

    .



    L

    C

    M

    =

    3

    *

    4

    *

    5

    =

    60

    The LCM of any numbers is found from their product divided by any common factors to avoid duplicates.
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