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What is the lcm of 42,39,30,12?

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What is the lcm of 42,39,30,12?

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  1. Greetings,

    42 = 2*3*7

    39 = 3*13

    30 = 2*3*5

    12 = 2*2*3

    combine the factors so that each number can divide the lcm

    lcm = 2*2*3*5*7*13 = 5460

    Regards

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