Riesel primes of the form 139•2n-1

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

Current data

k , b : 139 , 2 Count : 55 Nash : 2586 Max n : 10,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

1, 5, 7, 9, 15, 19, 21, 35, 37, 39, 41, 49, 69, 111, 115, 141, 159, 181, 201, 217, 487, 567, 677, 765, 811, 841, 917, 1279, 1407, 1505, 1521, 1587, 2047, 2469, 2649, 3019, 7427, 10257, 33685, 34479, 35177, 43641, 49211, 65031, 84907, 90231, 95021, 124375, 176425, 224947, 382441, 451367, 1016619, 1242661, 1376635

History

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2015-06-19: Reserved by RPS 2nd Megabit Drive for n > 2000000
• 2013-09-08: Checked to n = 2000000, Lennart Vogel, released
• 2013-09-01: Checked to n = 1850000, Lennart Vogel
• 2013-08-28: Checked to n = 1700000, Lennart Vogel
• 2013-08-22: Reserved by Lennart Vogel
• 2013-03-31: Checked to n = 1585000, Carlos Eduardo Pinho, released
• 2013-03-28: Checked n = 1575000-1585000, Carlos Eduardo Pinho, results included
• 2013-03-28: Checked n = 1485000-1500000, Carlos Eduardo Pinho, results included
• 2013-03-24: Checked n = 1550000-1575000, Carlos Eduardo Pinho, results included
• 2013-03-23: Checked n = 1465000-1485000, Carlos Eduardo Pinho, results included
• 2013-03-16: Checked n = 1450000-1465000, Carlos Eduardo Pinho, results included
• 2013-03-15: Checked n = 1500000-1550000, Carlos Eduardo Pinho, results included
• 2013-03-10: Checked to n = 1450000, Carlos Eduardo Pinho, results included
• 2013-02-27: Checked to n = 1430000, Carlos Eduardo Pinho, results included
• 2013-02-21: Checked to n = 1415000, Carlos Eduardo Pinho, results included
• 2013-02-19: Checked to n = 1400000, Carlos Eduardo Pinho, results included
• 2013-02-13: Checked to n = 1385000, Carlos Eduardo Pinho
• 2013-02-09: Found n = 1376635, Carlos Eduardo Pinho
• 2013-01-30: Reserved by Carlos Eduardo Pinho from n=1310000
• 2012-07-02: Checked to n = 1260000, Predrag Minovic
• 2012-05-18: Found n = 1242661, Predrag Minovic
• 2012-05-04: Checked to n = 1240000, Predrag Minovic
• 2012-03-04: Checked to n = 1200000, Predrag Minovic
• 2011-12-31: Checked to n = 1140000, Predrag Minovic
• 2010-07-18: Checked to n = 1100000, Predrag Minovic
• 2010-01-17: Checked to n = 1020000, Predrag Minovic
• 2010-01-11: Found n = 1016619, Predrag Minovic
• 2009-12-05: Checked to n = 1000000, Predrag Minovic
• 2009-11-03: Checked to n = 930000, Predrag Minovic
• 2009-08-09: Reserved by Predrag Minovic from n=800000
• 2009-01-11: Checked to n = 800000, Gary Barnes
• 2008-02-01: Checked to n = 726000, Gary Barnes
• 2008-01-10: Checked to n = 650000, Gary Barnes
• 2007-12-27: Checked to n = 600000, Gary Barnes
• 2007-12-03: Found n = 451367, Gary Barnes
• 2007-12-01: Checked to n = 425500, Gary Barnes
• 2007-11-19: Reserved by Gary Barnes
• 2007-11-19: Checked to n = 400000, Hugo Platzer
• 2007-08-07: ?, Hugo Platzer
• 2006-03-02: Found n = 382441, Tony Galvan
• 2006-02-13: Found n = 224947, Tony Galvan
• 2004-06-19: Found n = 176425, Mark Anderson
• 1999-11-21: Found n = 43641, Bouk de Water