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20 June, 17:54

Find all the common factors of 42 and 21 and identify the greatest common factor

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  1. 20 June, 19:30
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    The factors of 21 are: 1, 3, 7, 21

    The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42

    21 is the Greatest common factor
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