Multiple choice

What is the greatest common factor of 84 and 56?

  1. 14

  2. 28

  3. 29

  4. 32
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B Correct answer
Explanation

Greatest common factor of 84 and 56 is 28. Factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28 and 42. Factors of 28 are 1, 2, 4, 7, 14, 28. So, greatest number which is common is 28.

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