Ask Question
17 December, 17:20

Find the greatest common factor of

7, 15 and 21

+5
Answers (2)
  1. 17 December, 17:21
    0
    7 is prime.

    but

    3 factors into 15 and 21

    but

    7 factors into 21
  2. 17 December, 17:47
    0
    GCF = 1

    for the values 15, 17, 21

    Solution by Factorization:

    The factors of 15 are: 1, 3, 5, 15

    The factors of 17 are: 1, 17

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

    Then the greatest common factor is 1.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Find the greatest common factor of 7, 15 and 21 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers