Riesel primes of the form 119•2n-1

Current data

k , b : 119 , 2 Type : Low Count : 16 Nash : 656 Max n : 7,000,000 Date : 2024-04-23

12, 16, 52, 160, 192, 216, 376, 436, 266136, 401552, 624896, 1122472, 1256952, 2468556, 3571416, 3698412

History

• 2024-04-23: Reservation dropped, Thomas Ritschel
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 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
• 2018-12-25: Found n = 3698412, Thomas Ritschel
• 2018-11-29: Found n = 3571416, Thomas Ritschel
• 2018-09-17: Found n = 2468556, Thomas Ritschel
• 2018-05-23: Reserved by Thomas Ritschel, from n=2400000
• 2015-02-12: Checked to n = 2400000, Richard Kapek, released
• 2015-01-31: Checked to n = 2400000, Richard Kapek, results included
• 2015-01-24: Checked to n = 2200000, Richard Kapek, results included
• 2015-01-18: Checked to n = 2100000, Richard Kapek
• 2015-01-09: Reserved by Richard Kapek from n=2000000
• 2012-11-05: Checked to n = 2000000, Michael Curtis, released
• 2012-01-06: Reserved by Michael Curtis from n=1300000
• 2011-04-25: Checked to n = 1300000, James P. Burt, released, results included
• 2011-04-24: Found n = 1256952, James P. Burt
• 2011-04-23: Found n = 1122472, James P. Burt
• 2011-04-23: Reserved by James P. Burt from n=1000000
• 2009-07-30: Reserved by Borys Jaworski for sieving only n=1000000-5000000
• 2008-03-15: Checked to n = 1000000, Michael Curtis, released
• 2008-03-12: Found n = 624896, Michael Curtis
• 2008-02-22: none, Michael Curtis
• 2007-11-21: none, Michael Curtis
• 2007-08-24: Reserved by Michael Curtis, for n=500000-1000000
• 2004-08-08: Found n = 401552, Jeffrey Sax
• 2004-04-05: Found n = 266136, Jeffrey Sax