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5 April, 07:10

What is the greatest common factor of 21 and 36

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  1. 5 April, 09:33
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    Factors of 21 are: 1, 3, 7, 21

    factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 36

    Common (same) factors are: 1, 3

    Greatest (biggest) common factor: 3
  2. 5 April, 10:41
    0
    The factors of 21 are 1, 3, 7, and 21.

    The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.

    The factors common to both of them are 1 and 3.

    The greatest one of those is ' 3 '.
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