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26 April, 18:34

What is the GCF of 9 and 15

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  1. 26 April, 18:38
    0
    Write the factors (parts) of both

    9 = 1, 3, 9

    15 = 1 3 5 15

    What is the the greats factor they have in common? 3

    GCF is 3
  2. 26 April, 18:56
    0
    The great common factor of 9 and 15 is 3

    That is because if you look at the factors of 9 and 15, you would see that they only have 1, and 3 that are alike.

    Since 3 is larger than 1, 3 is the greatest common factor
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