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26 May 2011 11:08:52 UTC, PrimeGrid’s The Riesel Problem project eliminated k=141941 by finding the mega prime: 141941*2^4299438-1
The prime is 1,294,265 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 25th overall. This is the largest prime found in The Riesel Problem and PrimeGrid's sixth elimination. 58 k's now remain.
A potwierdził nasz kolega "The prime was verified on 28 May 2011 23:08:20 UTC, by Piotr M. Zalewski (Piotr M. Zalewski) of Poland. For more details, please see the official "