77777...77771 (100-digits)
This number is a prime.
7777777777 7777777777 7777777777
7777777777 7777777777 7777777777 7777777777 7777777777 7777777777 7777777771
Single Curio View: (Seek other curios for this number)
The largest prime less than a googol and containing only non-composite digits. [Gupta]
Submitted: 2004-02-02 17:31:33; Last Modified: 2008-01-30 17:28:00.
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