14157...35487 (58711-digits)

This number is a prime.

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The primes 2003663613 * 2^195000 ± 1 where the largest known twin prime pair for much of 2007 through 2009. They were discovered by Eric Vautier.

Submitted: 2008-07-01 20:28:17; Last Modified: 2009-08-11 12:20:22.