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Riesel primes of the form 325•2n-1
Current data
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History
- 2022-06-03: Checked to n = 3000000, NPLB Drive 15, released
- 2022-05-16: Found n = 2890955, Oliver Kruse
- 2018-09-17: Found n = 2473267, Ricky L. Hubbard
- 2016-12-01: Found n = 2223243, Stuart Mullage
- 2015-02-18: Found n = 2024035, Robert Lacroix
- 2014-12-29: Reserved by NPLB Drive 15, for n=2000000-3000000
- 2013-08-14: Checked to n = 2000000, Ian M. Gunn, released
- 2013-07-02: Reserved by Ian M. Gunn for 1300000<n<2000000
- 2012-10-10: Checked to n = 1300000, Gary Barnes, released
- 2012-09-25: Reserved by Gary Barnes, for 1100000<n<1300000
- 2011-02-28: Checked to n = 1100000, Hugo Platzer
- 2011-01-14: Reserved by Hugo Platzer, for 1000000<n<1100000
- 2009-07-26: Checked to n = 1000000, Sven Stockmann, released
- 2009-07-22: Checked to n = 975000, Sven Stockmann
- 2009-07-19: Checked to n = 950000, Sven Stockmann
- 2009-07-16: Checked to n = 925000, Sven Stockmann
- 2009-07-11: Checked to n = 900000, Sven Stockmann
- 2009-07-06: Checked to n = 875000, Sven Stockmann
- 2009-07-03: Checked to n = 850000, Sven Stockmann
- 2009-07-01: Found n = 842787, Sven Stockmann
- 2009-06-26: Found n = 809389, Sven Stockmann
- 2009-06-21: Reserved by Sven Stockmann, for 800000<n<1000000
- 2009-06-20: Checked to n = 800000, Gary Barnes, released
- 2009-06-18: Checked to n = 797000, Gary Barnes
- 2009-06-09: Checked to n = 767000, Gary Barnes
- 2009-06-09: Found n = 766545, Gary Barnes
- 2009-06-02: Checked to n = 740000, Gary Barnes, reserved to n=800000
- 2009-05-28: Checked to n = 720000, Gary Barnes
- 2009-05-20: Reserved by Gary Barnes, for 700000<n<750000
- 2009-03-27: Checked to n = 700000, Gary Barnes, released
- 2009-03-25: Found n = 650493, Gary Barnes
- 2009-03-22: Checked to n = 640000, Gary Barnes
- 2009-03-14: Reserved by Gary Barnes, for 600000<n<700000
- 2009-02-11: None, Hugo Platzer, released
- 2008-12-19: Reserved by Hugo Platzer, for 600000<n<700000
- 2008-11-25: Reserved by Hugo Platzer, for 600000<n<1000000
- 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
- 2008-10-27: 541569 confirmed, David James
- 2008-03-31: Found n = 444297, Laurent Lucas
- 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
- 2007-12-07: Found n = 541569, Peter Benson
- 2005-01-13: Found n = 210533, Steven Harvey
- 2004-10-04: Found n = 186609, Steven Harvey
- 2004-02-11: Found n = 151153, Steven Harvey
- 2002-07-04: Found n = 111417, Kimmo Herranen
- 2002-06-26: Found n = 91753, Andrew J. Rupinski
- 2001-07-12: Found n = 77689, Kimmo Herranen
- 2001-07-12: Found n = 77117, Kimmo Herranen
