Riesel primes of the form 19507•2n-1

Reserved! This sequence is currently part of Multi Reservation 2: [[]].

Current data

k , b : 19507 , {{{Rb}}} Count : 4 Nash : 264 Max n : 375,000 ( )[[Category:Riesel {{{Rb}}} Missing-range|#.....19507]] Date :

9713, 38801, 47393, 269121

[[Category:Riesel {{{Rb}}}|#.....19507]][[Category:Riesel {{{Rb}}} Low-weight|#.....19507]][[Category:|#.....19507]]

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
• 2009-05-12: Reserved by RPS Drive 10, for n = 400000 - 2000000
• 1998-05-11: Found n = 9713, Yves Gallot