Riesel primes of the form 773•2n-1

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

Current data

k , b : 773 , 2 Count : 38 Nash : 2267 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

8, 18, 46, 58, 78, 120, 134, 158, 164, 294, 380, 430, 780, 920, 1246, 1260, 1468, 1560, 1606, 3496, 4478, 6194, 7820, 11714, 24134, 45254, 59144, 83628, 86476, 116874, 117226, 234800, 300196, 426630, 468504, 749914, 824494, 857230

History

• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2010-12-11: Found n = 857230, Brian Lody
• 2010-11-21: Found n = 824494, Brian Lody
• 2010-04-28: Found n = 749914, Gary Barnes
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
• 2008-06-04: Found n = 468504, James P. Burt
• 2008-05-06: Found n = 426630, 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
• 2005-07-25: Found n = 300196, Michael Gillion
• 2005-10-26: Found n = 234800, Steven Harvey
• 2001-11-20: Found n = 117226, Kimmo Herranen
• 2001-11-20: Found n = 116874, Kimmo Herranen
• 2001-12-08: Found n = 86476, Kimmo Herranen
• 2001-12-08: Found n = 83628, Kimmo Herranen