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11 May, 02:23

What is the greatest common factor of 63 45 72 and 36?

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  1. 11 May, 03:15
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    List factors

    63-1,3,7,9,21,63

    36-1,2,3,6,12,18,36

    45-1,3,5,9,15,45

    72-1,2,3,4,6,8,9,12,18,24,36,72

    Find biggest number in all of them ...

    The greatest common factor is 3
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