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11 September, 03:27

What is the greatest common factor of 21 and 65

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Answers (2)
  1. 11 September, 03:53
    0
    Answer: 1 ✔

    Step-by-step explanation:

    The factors of 21 are: 1, 3, 7, 21

    The factors of 65 are: 1, 5, 13, 65

    Then the greatest common factor is 1.

    They both contain a one in their factors so the GCF for both is 1.
  2. 11 September, 04:46
    0
    1

    Step-by-step explanation:

    21 = 3*7

    65 = 5*13

    CGF: to find the greatest common factor, multiply those factors both numbers have in common

    GCF : 1 since there are no factors in common
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