58711
This number is a prime.
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The number of digits in each of the primes 2003663613*2^195000 +/- 1, which was the largest known pair of twin primes found by the end of the year 2007. [Green]
Submitted: 2010-02-10 02:48:40; Last Modified: 2010-02-10 14:17:27.
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