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    • Question

      Find the number of factors of 80?

      A 12 Correct Answer Incorrect Answer
      B 16 Correct Answer Incorrect Answer
      C 10 Correct Answer Incorrect Answer
      D 16 Correct Answer Incorrect Answer

      Solution

      The factors of 80 are = 1, 2, 4, 5, 8, 10, 16, 20, 40 & 80. So total number of factors are 10. Alternate Method: After prime factorization just add 1 in all powers & then multiply them. 80 = 24 5. So the number of factors of 80 are = (4+1)     (1+1) = 5     2 = 10.

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