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22 June, 03:56

What is the gcf of 210 and 90

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  1. 22 June, 03:59
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    210 ⇒ 210 : 30 = 7

    Factor: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210.

    90 ⇒ 90 : 30 = 3

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

    The GCF of 210 and 90 is 30.
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