Riesel primes of the form 707•2n-1

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

Current data

k , b : 707 , {{{Rb}}} Count : 38 Nash : 1918 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

4, 6, 10, 20, 30, 38, 40, 134, 168, 204, 318, 328, 404, 670, 860, 924, 2388, 3830, 4396, 10196, 11920, 14220, 14316, 19094, 26064, 30304, 39288, 63398, 105206, 111818, 131294, 150956, 184694, 281564, 907156, 1120218, 1209654, 1371124

[[Category:Riesel {{{Rb}}}|#.....00707]]

History

• 2014-11-14: Found n = 1371124, Max Dettweiler
• 2012-07-03: Found n = 1209654, Brian Lody
• 2012-04-17: Found n = 1120218, Brian Lody
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2011-01-05: Found n = 907156, Karsten Bonath
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
• 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
• 2004-10-13: Found n = 184694, Steven Harvey
• 2001-09-06: Found n = 150956, Kimmo Herranen
• 2001-09-04: Found n = 131294, Kimmo Herranen
• 2001-09-01: Found n = 111818, Kimmo Herranen
• 2001-09-01: Found n = 105206, Kimmo Herranen