53245...48801 (4999-digits)
This number is a prime.
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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: 2000-12-14 01:12:02; Last Modified: 2008-01-30 17:28:00.
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