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Riesel primes of the form 61•2n-1
Reserved! This sequence is currently part of Multi Reservation 4: RPS Megabit Drive 1. |
Current data
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History
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2018-04-11: Checked to n = 3000000, RPS 1st Megabit Drive
- 2017-01-30: Found n = 2936967, Thomas Ritschel, RPS 1st Megabit Drive
- 2017-01-30: Found n = 3366033, Rüdiger K. Eckhard
- 2016-06-22: Found n = 3286535, Rüdiger K. Eckhard
- 2015-11-08: Found n = 2580689, Thomas Ritschel, RPS 1st Megabit Drive
- 2012-07-23: Found n = 2381887, Adam Sutton, RPS 1st Megabit Drive
- 2011-11-19: Found n = 2134577, Larry Soule, RPS 1st Megabit Drive
- 2011-05-11: Found n = 1734983, Larry Soule, RPS 1st Megabit Drive
- 2011-03-02: Found n = 1487125, Peter Benson, RPS 1st Megabit Drive
- 2011-02-13: Found n = 1416365, Larry Soule, RPS 1st Megabit Drive
- 2010-11-15: Found n = 1124049, Peter Benson, RPS 1st Megabit Drive
- 2010-10-24: Reserved by RPS 1st Megabit Drive for n > 1000000
- 2009-07-30: Reserved by Borys Jaworski from n=1700000
- 2008-07-24: Found n = 1654383, Peter Benson
- 2008-07-07: Checked to n = 1000000, Gary Barnes released
- 2008-02-17: Found n = 762417, Gary Barnes
- 2008-02-07: Found n = 971585, Peter Benson
- 2008-02-01: Checked to n = 705000, Gary Barnes
- 2008-01-10: Checked to n = 600000, Gary Barnes
- 2008-01-03: Checked n = 400000 - 500000, Gary Barnes
- 2007-12-30: Checked to n = 800000, Jeffrey Sax
- 2007-12-10: Found n = 499175, Jeffrey Sax
- 2004-12-19: Found n = 384287, Predrag Minovic
- 1994: Found n = 7799, Harvey Dubner