Riesel primes of the form 233•2n-1

Current data

k , b : 233 , 2 Count : 26 Nash : 1241 Max n : 3,000,000 Date : 2021-11-20

4, 10, 12, 22, 24, 34, 48, 60, 100, 562, 574, 640, 838, 852, 2002, 4198, 4932, 5860, 10492, 13834, 17398, 25944, 133030, 179992, 1700734, 2426512

History

• 2021-11-20: Checked to n = 3000000, Thomas Ritschel, released
• 2020-07-13: Found n = 2426512, Thomas Ritschel
• 2015-04-21: Checked to n = 2000000, Thomas Ritschel
• 2015-04-04: Reserved by Thomas Ritschel for 1710000 < n < 2000000
• 2010-08-01: Checked to n = 1710000, Borys Jaworski, released
• 2010-07-22: Found n = 1700734, Borys Jaworski
• 2010-06-30: Checked to n = 1670000, Borys Jaworski
• 2010-05-31: Checked to n = 1640000, Borys Jaworski
• 2010-04-30: Checked to n = 1610000, Borys Jaworski
• 2010-03-31: Checked to n = 1580000, Borys Jaworski
• 2010-02-28: Checked to n = 1540000, Borys Jaworski
• 2010-01-31: Checked to n = 1500000, Borys Jaworski
• 2009-12-31: Checked to n = 1450000, Borys Jaworski
• 2009-12-01: Checked to n = 1420000, Borys Jaworski
• 2009-10-31: Checked to n = 1380000, Borys Jaworski
• 2009-09-30: Checked to n = 1330000, Borys Jaworski
• 2009-08-31: Checked to n = 1300000, Borys Jaworski
• 2009-07-31: Checked to n = 1280000, Borys Jaworski
• 2009-06-30: Checked to n = 1250000, Borys Jaworski
• 2009-05-31: Checked to n = 1230000, Borys Jaworski
• 2009-04-30: Checked to n = 1210000, Borys Jaworski
• 2009-03-27: Checked to n = 1190000, Borys Jaworski
• 2009-02-26: Checked to n = 1170000, Borys Jaworski
• 2009-01-29: Checked to n = 1140000, Borys Jaworski
• 2009-01-09: Checked to n = 1130000, Borys Jaworski
• 2008-07-06: Checked to n = 920000, Borys Jaworski
• 2008-03-01: Checked to n = 740000, Borys Jaworski
• 2008-02-09: Checked to n = 700000, Borys Jaworski
• 2008-02-03: Checked to n = 690000, Borys Jaworski
• 2008-01-12: Checked to n = 650000, Borys Jaworski
• 2008-01-06: Checked to n = 640000, Borys Jaworski
• 2007-10-01: Reserved by Borys Jaworski
• 2004-07-18: Found n = 179992, Marc Liddell