Riesel primes of the form 513•2n-1

Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

k , b : 513 , 2 Type : 3 Count : 51 Nash : 2245 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

6, 12, 18, 39, 42, 51, 96, 135, 190, 255, 267, 268, 306, 495, 526, 558, 1324, 1347, 1468, 1486, 1954, 2316, 2320, 3678, 6420, 11332, 11751, 11766, 13228, 18028, 22914, 23248, 24012, 34782, 34800, 55971, 91474, 175686, 183700, 231706, 247246, 335766, 369622, 625011, 683547, 775455, 1011678, 1038382, 1229391, 1318074, 1452354

History

• 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
• 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
• 2017-04-07: Found n = 1452354, Timothy Sorbera
• 2014-04-02: Found n = 1318074, Timothy Sorbera
• 2013-05-28: Found n = 1229391, David Stevens
• 2011-09-08: Found n = 1038382, Chris Chatfield
• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2011-07-27: Found n = 1011678, Chris Chatfield
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-05-06: Found n = 775455, Karsten Bonath
• 2009-05-15: Found n = 683547, Vaughan Davies
• 2009-01-24: Found n = 625011, Glenn C. Kaiser
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-03-25: Checked to n = 333200, NPLB Drive 2
• 2008-03-03: Found n = 369622, Gary Barnes
• 2008-01-25: Found n = 335766, Karsten Bonath
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2004-11-05: Found n = 247246, Steven Harvey
• 2004-11-04: Found n = 231706, Steven Harvey
• 2004-08-23: Found n = 183700, Steven Harvey
• 2004-08-23: Found n = 175686, Steven Harvey
• 2002-02-19: Found n = 91474, Andrew J. Rupinski