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3 March, 13:09

Find the Gcf of 42. 75, and 90

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  1. 3 March, 13:18
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    Step-by-step explanation:

    To find the GCF, we need to first determine ALL the factors of each of those numbers and then find the greatest common one among all 3 numbers.

    42: 1, 2, 3, 6, 7, 14, 21, 42

    75: 1, 3, 5, 15, 25, 75

    90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

    The greatest common looks like it is 3. Not very great, but that's what it is.
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