Riesel primes of the form 131•2ⁿ-1

Reserved! This sequence is currently part of Multi Reservation 5: CRUS Liskovets-Gallot.

Current data

k , b :

131 , {{{Rb}}}

Count :

Attention! Parameter RCount=23 not given!

Nash :

1065

Max n :

5,000,000

Date :

2023-07-11

Reserved :

Conjectures 'R Us

2, 14, 34, 38, 42, 78, 90, 178, 778, 974, 1878, 3718, 4050, 5466, 6478, 35662, 40046, 56346, 98626, 131026, 138658, 603738, 1283258

[[Category:Riesel {{{Rb}}}|#.....00131]]

2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
2014-04-20: Checked to n = 2000000, Michael Curtis, released
2014-03-07: Checked to n = 1750000, Michael Curtis
2013-12-07: Checked to n = 1600000, Michael Curtis
2013-09-04: Checked to n = 1570000, Michael Curtis
2013-06-11: Checked to n = 1510000, Michael Curtis
2011-12-04: Checked to n = 1400000, Michael Curtis
2011-06-02: Checked to n = 1180000, Michael Curtis, n=1230000-1400000 done
2011-05-21: Found n = 1283258, Michael Curtis
2010-10-28: Checked to n = 1100000, Michael Curtis
2010-01-12: none, Michael Curtis
2009-10-14: Checked to n = 1000000, Michael Curtis
2009-09-01: Checked to n = 888000, Michael Curtis
2009-02-13: Checked to n = 800000, Michael Curtis
2008-12-03: Checked to n = 735000, Michael Curtis
2008-07-14: Checked to n = 700000, Michael Curtis
2008-01-07: Reserved by Michael Curtis
2008-01-06: Checked to n = 640000, Borys Jaworski
2007-11-12: Found n = 603738, Borys Jaworski
2007-10-01: Reserved by Borys Jaworski
2000-05-05: Found n = 56346, Tom Kuechler
1999-09-30: Found n = 40046, Tom Kuechler
1999-08-31: Found n = 35662, Tom Kuechler