11111...11111 (317-digits)

This number is a prime.

                                    1111111 1111111111 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111

Single Curio View:   (Seek other curios for this number)
(10^317-1)/9 is the fourth repunit prime. Note that it is prime in base 12 as well as in base 10. [Dobb]

Submitted: 2002-04-10 06:45:03;   Last Modified: 2008-01-30 17:28:00.
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