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25 July, 03:05

What is the greatest common denominator of 81, 108, and 117?

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  1. 25 July, 04:15
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    If you mean greatest common factor then that means

    factor each and group the ones that are same

    81=3 times 3 times 3 times 3

    108=2 times 2 times 3 times 3 times 3

    117=3 times 3 times 13

    so we look for the group common to all (I bolded it)

    81=3 times 3 times 3 times 3

    108=2 times 2 times 3 times 3 times 3

    117=3 times 3 times 13

    the answeis 3 times 3=9

    greates common denomenator of these nubers is 9
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