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Riesel primes of the form 1071•2n-1
Current data
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Notes
- ↑ Sophie Germain n=1, Twin n=1
- ↑ Sophie Germain n=6
- ↑ Twin n=7
- ↑ Sophie Germain n=9
- ↑ Twin n=25
History
- 2024-06-19: Checked to n = 2000000, Gary Barnes, released
- 2016-02-06: Found n = 1928515, Peter Benson
- 2015-12-12: Found n = 1917749, Peter Benson
- 2014-10-22: Checked to n = 1900000, Peter Benson
- 2014-05-15: Checked to n = 1700000, Peter Benson
- 2014-04-01: Found n = 1647962, Peter Benson
- 2014-01-26: Checked to n = 1570000, Peter Benson
- 2013-12-02: Found n = 1444099, Peter Benson
- 2013-08-12: Checked to n = 1400000, Peter Benson
- 2013-05-17: Found n = 1478005, Peter Benson
- 2012-09-09: Checked to n = 1300000, Peter Benson
- 2012-04-03: Checked to n = 1200000, Peter Benson
- 2011-09-11: Checked to n = 1100000, Peter Benson
- 2011-04-17: Checked to n = 1000000, Peter Benson
- 2011-03-12: Checked to n = 980000, Peter Benson
- 2011-02-04: Checked to n = 960000, Peter Benson
- 2011-01-02: Checked to n = 940000, Peter Benson
- 2010-11-20: Checked to n = 920000, Peter Benson
- 2010-10-09: Checked to n = 900000, Peter Benson
- 2010-08-15: Checked to n = 880000, Peter Benson
- 2010-06-27: Checked to n = 860000, Peter Benson
- 2010-05-21: Checked to n = 840000, Peter Benson
- 2010-04-10: Checked to n = 820000, Peter Benson
- 2010-03-09: Checked to n = 800000, Peter Benson
- 2010-02-08: Checked to n = 780000, Peter Benson
- 2010-02-02: Checked to n = 770000, Peter Benson
- 2009-02-23: Checked to n = 479264, NPLB Drive 9D, released
- 2009-02-16: Checked to n = 350000, NPLB Drive 9C, released
- 2009-01-28: Checked to n = 200000, NPLB Drive 9A, released
- 2009-01-21: Reserved by NPLB Drive 9D, for 350000 ≤ n ≤ 479264 results fill-in only
- 2009-01-21: Reserved by NPLB Drive 9C, for 200000 ≤ n ≤ 350000 results fill-in only
- 2009-01-05: Reserved by NPLB Drive 9A, for 50000 ≤ n ≤ 200000
- 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
- 2008-07-29: Checked n = 10000 - 35000, Karsten Bonath
- 2007-09-01: Found n = 416615, Peter Benson
- 2007-07-06: Checked to n = 10000, Gary Barnes
- 2005-11-13: Found n = 295030, Peter Benson
- 2005-06-14: Found n = 264875, Peter Benson
- 2004-10-15: Found n = 177594, Peter Benson