Riesel primes of the form 31627•2n-1

Reserved! This sequence is currently part of Multi Reservation 2: RPS Drive 10.

Current data

k , b : 31627 , {{{Rb}}} Count : 7 Nash : 241 Max n : 375,000 (1,330,000)[[Category:Riesel {{{Rb}}} Missing-range|#.....31627]] Date : 2013-10-24 Reserved : Riesel Prime SearchRiesel Prime Search/Reserved

73, 1897, 31297, 143437, 200197, 368353, 991213

[[Category:Riesel {{{Rb}}}|#.....31627]][[Category:Riesel {{{Rb}}} Low-weight|#.....31627]]

History

• 2021-06-01: Checked n = 350000 - 375000, Alexander Jones
• 2021-01-13: Checked n = 325000 - 350000, Alexander Jones
• 2020-10-01: Checked n = 300000 - 325000, Alexander Jones
• 2018-10-31: Checked n = 1000 - 300000, Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2011-07-15: Found n = 991213, Larry Soule
• 2009-05-12: Reserved by RPS Drive 10, for n = 400000 - 2000000