Riesel primes of the form 657•2n-1

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

Current data

k , b : 657 , 2 Type : 3 Count : 71 Nash : 3224 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

5, 10, 16, 29, 30, 36, 41, 44, 53, 54, 56, 58, 62, 66, 122, 134, 196, 214, 234, 236, 405, 425, 446, 484, 490, 534, 545, 574, 754, 1058, 1109, 1125, 1198, 1821, 2194, 3950, 5930, 6544, 10870, 11445, 18562, 22904, 23290, 26012, 29909, 31098, 36818, 45473, 50145, 61990, 63152, 91498, 102388, 114153, 116049, 122128, 125489, 132712, 133726, 147884, 176754, 190065, 196808, 210330, 288208, 326434, 444784, 459161, 803381, 855678, 970025

History

• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2011-01-10: Found n = 970025, Brian Lody
• 2010-12-10: Found n = 855678, Brian Lody
• 2010-11-14: Found n = 803381, Brian Lody
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
• 2008-05-26: Found n = 459161, Gary Barnes
• 2008-05-24: Found n = 444784, Lennart Vogel
• 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
• 2003-04-21: Found n = 210330, Kimmo Herranen
• 2003-04-24: Found n = 196808, Kimmo Herranen
• 2003-04-22: Found n = 190065, Kimmo Herranen
• 2003-04-20: Found n = 176754, Kimmo Herranen
• 2003-04-15: Found n = 147884, Kimmo Herranen
• 2003-04-13: Found n = 133726, Kimmo Herranen
• 2003-04-13: Found n = 132712, Kimmo Herranen
• 2003-04-12: Found n = 125489, Kimmo Herranen
• 2003-04-12: Found n = 122128, Kimmo Herranen
• 2003-04-12: Found n = 116049, Kimmo Herranen
• 2003-04-12: Found n = 114153, Kimmo Herranen
• 2002-12-16: Found n = 102388, Steven Harvey