99999...97753 (100-digits)
This number is a prime.
9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999997753
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The largest prime less than a googol and consisting only of odd digits. [Gupta]
Submitted: 2004-01-04 02:09:03; Last Modified: 2008-01-30 17:28:00.
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