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22 June, 18:17

What's the gcf of 32 and 81

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Answers (2)
  1. 22 June, 19:58
    0
    For this, you want to find the Factors, the Common ones and then the Greatest of those.

    *Always list factor in pairs so that none are missed/left out

    First, Factors of 32

    1, 32

    2, 16

    4, 8

    Now, Factors of 81

    1, 81

    3, 27

    9

    The next step is to highlight/circle the common factors

    1,

    As there is only one common factor, that is the greatest.

    The GCF is 1
  2. 22 June, 20:38
    0
    Factors of 32: 1, 2, 4, 8, 16, 32

    Factors of 81: 1, 3, 9, 27, 81

    The greatest common factor of 32 and 81 is 1.
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