Riesel primes of the form 835•2n-1

Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

k , b : 835 , 2 Type : Low Count : 22 Nash : 921 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 3, 37, 61, 69, 339, 501, 1297, 2181, 8979, 9573, 24729, 52603, 98827, 175083, 186261, 192441, 259513, 427443, 627477, 1207821, 1374483

History

• 2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
• 2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
• 2014-11-16: Found n = 1374483, Lennart Vogel
• 2012-06-29: Found n = 1207821, Brian Lody
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
• 2009-02-04: Found n = 627477, Ian M. Gunn
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
• 2008-05-07: Found n = 427443, Bruce E. Slade
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2004-03-26: Found n = 259513, Chris Siegert
• 2004-12-29: Found n = 192441, Steven Harvey
• 2004-12-29: Found n = 186261, Steven Harvey
• 2004-08-18: Found n = 175083, Steven Harvey
• 2002-03-02: Found n = 98827, Andrew J. Rupinski