Riesel primes of the form 951•2n-1

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

Current data

k , b : 951 , 2 Type : 3 Count : 62 Nash : 3047 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 2, 3, 5, 7, 10, 13, 14, 25, 38, 55, 93, 105, 178, 183, 211, 249, 258, 307, 310, 351, 615, 689, 718, 938, 1442, 4455, 6162, 6579, 7142, 7602, 8350, 8538, 10562, 10850, 10974, 15949, 16050, 16875, 20811, 25861, 29539, 29827, 30622, 35530, 53947, 62093, 72231, 81861, 81963, 91047, 99694, 210898, 236650, 237831, 289694, 393765, 800305, 1209290, 1348210, 1438430, 1530151

History

• 2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
• 2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
• 2018-11-07: Found n = 1530151, Max Dettweiler
• 2016-09-01: Found n = 1438430, Max Dettweiler
• 2014-10-01: Found n = 1348210, Lennart Vogel
• 2012-07-01: Found n = 1209290, 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
• 2011-02-27: Found n = 800305, David Stevens
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-03-20: Found n = 393765, Gary Barnes
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2003-02-05: Found n = 237831, James S. Griffin
• 2003-02-04: Found n = 236650, James S. Griffin
• 2002-12-14: Found n = 210898, James S. Griffin