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18 March, 09:15

Greatest common factor of 28 and 72

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  1. 18 March, 09:30
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    The GCF of 28 and 72 is 4.

    You can use the prime factorization

    28 = 2*2*7

    72 = 2*2*2*3*3

    Identifying the number of equivalent prime factors will be

    2*2 = 4
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