Riesel primes of the form 269•2n-1

Current data

k , b : 269 , 2 Type : Low Count : 12 Nash : 473 Max n : 8,000,000 Date : 2022-04-10

8, 24, 272, 2304, 3840, 3848, 58748, 63992, 104768, 264932, 628904, 1204740

History

• 2022-04-10: Checked to n = 8000000, Thomas Ritschel, released
• 2020-06-22: Checked to n = 7000000, Thomas Ritschel
• 2019-12-17: Checked to n = 6000000, Thomas Ritschel
• 2019-09-28: Checked to n = 5000000, Thomas Ritschel
• 2018-06-18: Reserved by Thomas Ritschel, from n=2000000
• 2011-12-04: Checked to n = 2000000, Michael Curtis, released
• 2011-06-02: Checked to n = 1850000, Michael Curtis
• 2011-04-08: Checked to n = 1800000, Michael Curtis
• 2010-10-28: Checked to n = 1600000, Michael Curtis
• 2010-03-21: Checked to n = 1500000, Michael Curtis
• 2010-01-24: Checked to n = 1340000, Michael Curtis
• 2010-01-12: Checked to n = 1050000, Michael Curtis
• 2010-01-05: Found n = 1204740, Michael Curtis
• 2009-10-14: Checked to n = 1000000, Michael Curtis
• 2009-09-01: none, Michael Curtis
• 2009-03-13: Checked to n = 900000, Michael Curtis
• 2009-02-13: Checked to n = 800000, Michael Curtis
• 2008-07-14: Checked to n = 700000, Michael Curtis
• 2008-01-07: Reserved by Michael Curtis
• 2008-01-06: Checked to n = 640000, Borys Jaworski
• 2007-09-21: Checked to n = 640000, Borys Jaworski
• 2007-09-18: Found n = 628904, Borys Jaworski
• 2007-09-03: Checked to n = 600000, Borys Jaworski
• 2005-03-15: Found n = 264932, Jocelyn Larouche
• 2000-06-21: Found n = 63992, Tom Kuechler
• 2000-06-07: Found n = 58748, Tom Kuechler