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13 March, 10:09

What is the gcf and lcm of 18 and 15

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  1. 13 March, 10:35
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    Greatest common factor is the biggest number common to both

    least common multipule is the smallest number that both will multily to get

    find the factors

    18=2 times 3 times 3

    15=3 times 5

    gcf=3

    lcm=2 times 3 times 3 times 5=90
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