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15 January, 02:06

How do you find the Greatest Common Factor?

Answers (2)
  1. A
    15 January, 02:25
    0
    The GCF, is the greatest factor that divides 2 numbers. To find the GCF of 2 numbers: List the prime factors of each number. Multiply those factors both numbers have in common
  2. J
    15 January, 05:05
    0
    You first list out all the factors.

    For example, 25 and 30.

    25: 1, 5, 25

    30: 1, 2, 3, 5, 6, 10, 15, 30

    Second, you look at all the common factors.

    The common factors are: 1, and 5.

    Finally, you take the greatest common factor.

    That would be 5. So, the GCF of 25 and 30 is 5.
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