Riesel primes of the form 1009•2n-1

Current data

k , b : 1009 , 2 Count : 27 Nash : 1233 Max n : 1,900,000 Date : 2014-10-22

1, 23, 49, 101, 133, 281, 709, 725, 749, 1325, 1939, 3331, 4709, 8645, 10411, 30001, 35059, 38935, 70409, 107411, 209581, 239173, 245701, 265469, 288415, 502463, 1840225

History

• 2014-10-22: Checked n = 1700000 - 1900000, Peter Benson
• 2014-08-27: Found n = 1840225, Peter Benson
• 2014-05-15: Checked n = 1570000 - 1700000, Peter Benson
• 2014-01-26: Checked n = 1400000 - 1570000, Peter Benson
• 2013-08-12: Checked n = 1300000 - 1400000, Peter Benson
• 2012-09-09: Checked n = 1200000 - 1300000, Peter Benson
• 2012-04-03: Checked n = 1100000 - 1200000, Peter Benson
• 2011-09-11: Checked n = 1000000 - 1100000, Peter Benson
• 2011-04-17: Checked n = 980000 - 1000000, Peter Benson
• 2011-03-12: Checked n = 960000 - 980000, Peter Benson
• 2011-02-04: Checked n = 940000 - 960000, Peter Benson
• 2011-01-02: Checked n = 920000 - 940000, Peter Benson
• 2010-11-20: Checked n = 900000 - 920000, Peter Benson
• 2010-10-09: Checked n = 880000 - 900000, Peter Benson
• 2010-08-15: Checked n = 860000 - 880000, Peter Benson
• 2010-06-27: Checked n = 840000 - 860000, Peter Benson
• 2010-05-21: Checked n = 820000 - 840000, Peter Benson
• 2010-04-10: Checked n = 800000 - 820000, Peter Benson
• 2010-03-09: Checked n = 780000 - 800000, Peter Benson
• 2010-02-08: Checked n = 770000 - 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2009-02-23: Checked n = 350000 - 479264, NPLB Drive 9D, results fill-in only, released
• 2009-02-16: Checked n = 200000 - 350000, NPLB Drive 9C, results fill-in only, released
• 2009-01-28: Checked n = 50000 - 200000, NPLB Drive 9A, released
• 2009-01-21: Reserved by NPLB Drive 9D, for n = 350000 - 479264 results fill-in only
• 2009-01-21: Reserved by NPLB Drive 9C, for n = 200000 - 350000 results fill-in only
• 2009-01-05: Reserved by NPLB Drive 9A, for n = 50000 - 200000
• 2008-12-04: Checked n = 486500 - 500000, David Stevens, released
• 2008-11-24: Checked n = 471000 - 486500, David Stevens
• 2008-11-18: Checked n = 450000 - 471000, David Stevens
• 2008-11-06: Checked n = 400000 - 450000, David Stevens
• 2008-10-20: Checked n = 350000 - 400000, David Stevens
• 2008-10-10: Checked n = 309000 - 350000, David Stevens
• 2008-09-18: Checked n = 260000 - 309000, David Stevens
• 2008-09-14: Checked n = 220000 - 260000, David Stevens
• 2008-09-03: Found n = 502463, David Metcalfe
• 2008-08-28: Checked n = 164000 - 220000, David Stevens
• 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
• 2008-08-16: Checked n = 35000 - 164000, David Stevens
• 2008-08-16: Reserved by David Stevens, to n = 300000
• 2008-07-29: Checked n = 10000 - 35000, Karsten Bonath
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes
• 2003: Checked to n = 300000, Thomas Ritschel
• 2003-12-26: Found n = 288415, Thomas Ritschel
• 2003-12-24: Found n = 265469, Thomas Ritschel
• 2003-12-22: Found n = 245701, Thomas Ritschel
• 2003-12-21: Found n = 239173, Thomas Ritschel
• 2003-11-18: Found n = 209581, Thomas Ritschel