The book is now available! 53245...48801 (4999-digits)
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On 8 December 2000, David Broadhurst proved that the 4999-digit generalized repunit (114801 - 1)/10 is prime, making it the largest known prime not found with classical primality tests to date.


  Submitted: 2000-12-13 19:12:02;   Last Modified: 2008-01-30 11:28:00.

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