14. INTEGERS
291891
Which of the following numbers is/are composite
1 1111.........1(91\ \mbox{digits})
2 1111.........1(61 \ \mbox{digits})
3 1111.........1(175\ \mbox{digits})
4 1111.........1(105\ \mbox{digits})
Explanation:
1111.........1(91\ \mbox{digits})