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math?*

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Find each of the following.

(a) GCD(12, 26, 65)

(b) LCM(12, 26, 65)

  • math?* - ,

    the GCD for 12,26,65 is 1
    that is, there is no divisor or common factor other than 1 which divides into all 3 numbers

    for LCM
    12 = 2x6
    26 = 2x13
    65 = 5x13

    so we need 2x6x13x5 or 780

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