MCQ
Which of the following numbers is/are composite
  • $1111.........1(91\ \mbox{digits})$
  • B
    $1111.........1(61 \ \mbox{digits})$
  • C
    $1111.........1(175\ \mbox{digits})$
  • D
    $1111.........1(105\ \mbox{digits})$

Answer

Correct option: A.
$1111.........1(91\ \mbox{digits})$
$1111.........1(91\ \mbox{digits})$

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