Riesel primes of the form 161•2n-1

Reserved! This sequence is currently part of Multi Reservation 5: RPS 2nd Megabit Drive.

Current data

k , b : 161 , {{{Rb}}} Count : 35 Nash : 1273 Max n : 2,300,000 Date : 2022-04-20 Reserved : Riesel Prime SearchRiesel Prime Search/Reserved

2, 6, 18, 22, 34, 54, 98, 122, 146, 222, 306, 422, 654, 682, 862, 1010, 1346, 1582, 7890, 9714, 12498, 21742, 27810, 34798, 74382, 97746, 205370, 249710, 371426, 394974, 447330, 587570, 792702, 1553570, 1859586

[[Category:Riesel {{{Rb}}}|#.....00161]]

History

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2014-01-10: Checked to n = 2000000, Michael Kwok, results inlcuded, released
• 2014-01-09: Checked to n = 1950000, Michael Kwok, results inlcuded
• 2013-12-16: Found n = 1859586, Michael Kwok
• 2013-12-16: Checked to n = 1880000, Michael Kwok, results inlcuded
• 2013-12-06: Found n = 1859586, Michael Kwok
• 2013-12-01: Checked to n = 1818000, Michael Kwok, results inlcuded
• 2013-11-20: Checked to n = 1757000, Michael Kwok, results inlcuded
• 2013-11-02: Checked to n = 1697000, Michael Kwok, results inlcuded
• 2013-10-06: Checked to n = 1646000, Michael Kwok, results inlcuded
• 2013-09-23: Checked to n = 1600000, Michael Kwok, results inlcuded
• 2013-09-12: Reserved by Michael Kwok
• 2011-02-14: Checked to n = 1560000, Michael Kwok, results included, released
• 2011-02-11: Found n = 1553570, Michael Kwok
• 2011-01-14: Checked to n = 1500000, Michael Kwok, results included
• 2010-12-14: Checked to n = 1420000, Michael Kwok, results included
• 2010-11-27: Checked to n = 1345000, Michael Kwok, results included
• 2010-11-02: Checked to n = 1260000, Michael Kwok, results included
• 2010-10-21: Checked to n = 1210000, Michael Kwok, results included
• 2010-09-26: Checked to n = 1118000, Michael Kwok, results included
• 2010-08-31: Checked to n = 1060000, Michael Kwok, results included
• 2010-08-01: Reserved by Michael Kwok
• 2009-11-03: Checked to n = 1000000, Predrag Minovic, released
• 2009-06-23: Checked to n = 910000, Predrag Minovic
• 2009-05-31: Checked to n = 880000, Predrag Minovic
• 2009-04-04: Checked to n = 870000, Predrag Minovic
• 2009-02-13: Checked to n = 770000, Predrag Minovic
• 2009-02-13: Checked to n = 760000, Predrag Minovic
• 2008-04-21: Found n = 792702, Predrag Minovic
• 2008-03-06: Found n = 587570, Predrag Minovic
• 2008-02-27: Reserved by Predrag Minovic for n>500000
• 2006-03-22: Found n = 447330, Patrick Keller
• 2006-03-09: Found n = 394974, Thomas Ritschel
• 2006-03-06: Found n = 371426, Thomas Ritschel
• 2004-06-05: Found n = 249710, Thomas Ritschel
• 2004-06-01: Found n = 205370, Thomas Ritschel
• 1999-08-02: Found n = 34798, Tom Kuechler