What is the smallest number that has exactly 12 factors?

  • Option 1)

    90

  • Option 2)

    72

  • Option 3)

    120

  • Option 4)

    96

  • Option 5)

    2^{11}

Answers (1)

              72= 2^{3}*3^{2}

(3+1)(2+1)=12

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