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16 October, 17:08

The GCF of 18 and 72 is?

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  1. 16 October, 17:28
    0
    GCF of 18 and 72 is 18

    Step-by-step explanation:

    To find the GCF of two or more numbers

    we need two steps

    Step 1: List the prime factors of each number.

    Step 2: Multiply those factors all numbers have in common. If there are no common prime factors, the GCF is 1.

    To find the GCF of 18 and 72

    18 = 2 * 3 * 3

    72 = 2 * 2 * 2 * 3 * 3

    Common prime factors 2, 3, 3

    Therefore GCF = 2 * 3 * 3 = 18
  2. 16 October, 17:32
    0
    The Greast Common Factor of 18 and 72 is 18

    Step-by-step explanation:

    Factors of 18: 1, 2, 3, 6, 9, 18

    Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
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