N is the smallest number that has 5 factors. How many factors does (N-1) have?

  • Option 1)

    1

  • Option 2)

    3

  • Option 3)

    4

  • Option 4)

    5

  • Option 5)

    2

Answers (1)

           Number= 2^{4}=16

N-1= 16-1=15

Number o\! f\: f\! actors\: o\! f 15=1,3,5,15=4

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