Riesel primes of the form 20591•2ⁿ-1

2018-10-31: Checked n = 1000 &#160;-&#160; 300000 , Alexander Jones
2011-11-23: Checked to n = 1007 , Gary Barnes
2011-01-06: Found n =&#160;814466 , Thomas Ritschel
2009-05-22: Found n =&#160;442754 , Predrag Minovic
2009-05-12: Reserved by RPS Drive 10 , for n = 400000 - 2000000
1992: Found n =&#160;1514 , Wilfrid Keller

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

Current data

`k` , `b` :	20591 , {{{Rb}}}
Count :	5
Nash :	246
Max `n` :	300,000 (PhpTags Warning: number_format() expects parameter 1 to be float, string given in Template:Num on line 1 )[[Category:Riesel {{{Rb}}} Missing-range\|#.....20591]]
Date :

1514, 5906, 55874, 442754, 814466

[[Category:Riesel {{{Rb}}}|#.....20591]][[Category:Riesel {{{Rb}}} Low-weight|#.....20591]][[Category:|#.....20591]]