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20 March, 21:40

What is the sum of numbers as a product of their GCF 45+60

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  1. 20 March, 21:56
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    Find the prime factorization

    45=3*3*5

    60=2*2*3*5

    GCF=3*5=15

    45=3*15

    60=4*15

    remember

    ab+ac=a (b+c) so

    45+60=15 (3) + 15 (4) = 15 (3+4) = 15 (7) = 105
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