Multiple choice

How many factors does the greatest common factor of 15 and 20 have?

  1. 2

  2. 4

  3. 6

  4. 8
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A Correct answer
Explanation

Factors of 15 = 1, 3, 5, 15 Factors of 20 = 1, 2, 4, 5, 10, 20 Greatest common factor = 5 Factors of 5 are = 1 and 5 So, factors of 5 are 2 in numbers.

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