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Riesel primes of the form 2055•2n-1
Current data
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Notes
History
- 2017-06-20: Checked to n = 1025000, Michael Curtis
- 2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
- 2013-08-30: Checked to n = 1025000, RPS Drive 11, released
- 2013-01-09: Reserved by RPS Drive 11, from n=1010000
- 2013-01-08: Checked to n<1010000?, Michael Curtis, Steven Tjung
- 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
- 2012-01-07: 667599 confirmed, Steven Tjung
- 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
- 2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
- 2011-12-07: Found n = 761537, Steven Tjung
- 2011-10-31: Checked to n = 700000, RPS Drive 11, released
- 2011-10-20: Found n = 692202, Peter Benson, RPS Drive 11
- 2011-09-12: Found n = 667599, Peter Benson, RPS Drive 11
- 2011-09-03: Reserved by RPS Drive 11, for n ≥ 666666
- 2010-11-11: Checked to n = 600000, Steven Tjung
- 2010-03-26: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
- 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
- 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
- 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
- 2009-07-13: Found n = 528561, Steven Tjung
- 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
- 2008-09-28: Checked to n = 400000, Steven Tjung
- 2008-02-21: Found n = 375695, Steven Tjung
- 2008-02-21: Found n = 372282, Steven Tjung
- 2008-02-02: Checked to n = 360000, Steven Tjung
- 2008-01-11: Checked to n = 300000, Michael Curtis
- 2008-01-03: Checked to n = 280000, Michael Curtis
- 2007-12-18: Checked to n = 240000, Michael Curtis
- 2007-08-07: Checked n = 10000 - 166000, Michael Curtis
- 2007-07-04: Checked to n = 160000, Michael Curtis
- 2007-07-04: Reserved by Michael Curtis
