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What would be the greatest commmon factor to 15, 34, and 55?

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  1. first, we list the factors of each number,,
    15: 1, 3, 5, 15
    34: 1, 2, 17, 34
    55: 1, 5, 11, 55
    since the only common factor among them is 1, the greatest common factor (GCF) of the numbers is 1.

    hope this helps~ :)

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