Riesel primes of the form 87•2n-1

Reserved! This sequence is currently part of Multi Reservation 4: RPS Megabit Drive 1.

Current data

k , b : 87 , 2 Type : 3 Count : 69 Nash : 2839 Max n : 3,100,000 Date : 2020-11-12 Reserved : Riesel Prime SearchRiesel Prime Search/Reserved

1, 2, 8, 9, 10, 12, 22, 29, 32, 50, 57, 69, 81, 122, 138, 200, 296, 514, 656, 682, 778, 881, 1422, 1494, 1857, 3060, 3489, 4106, 5129, 5378, 8096, 8546, 10138, 10941, 13749, 21758, 23554, 24582, 27526, 28581, 29306, 29588, 36101, 36681, 41378, 45689, 55769, 56049, 65676, 77361, 96426, 110189, 128630, 142738, 154352, 155794, 188689, 353734, 360829, 382268, 796341, 942790, 1089098, 1120006, 1332741, 1358189, 1616138, 1852590, 2518122

History

• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2018-04-11: Checked n = 1000000 - 1620000, 1652000 - 3000000, RPS Megabit Drive 1
• 2014-09-04: Found n = 2518122, Thomas Ritschel, RPS Megabit Drive 1
• 2011-07-05: Found n = 1852590, Larry Soule, RPS Megabit Drive 1
• 2011-04-10: Found n = 1616138, Peter Benson, RPS Megabit Drive 1
• 2011-01-26: Found n = 1358189, Larry Soule, RPS Megabit Drive 1
• 2011-01-18: Found n = 1332741, Peter Benson, RPS Megabit Drive 1
• 2010-11-15: Found n = 1120006, Peter Benson, RPS Megabit Drive 1
• 2010-11-05: Found n = 1089098, Peter Benson, RPS Megabit Drive 1
• 2010-10-24: Reserved by RPS Megabit Drive 1 for n > 1000000
• 2009-07-30: Reserved by Borys Jaworski for sieving only n=1700000-5000000
• 2009-07-26: Checked n = 1620000 - 1652000, (unknown), See range done at RPS other completed ranges.
• 2007-03-22: Checked to n = 1000000, Predrag Minovic, released
• 2006-12-21: Found n = 942790, Predrag Minovic
• 2006-10-13: Checked to n = 890000, Predrag Minovic
• 2006-03-28: Found n = 796341, Predrag Minovic
• 2005-10-03: Checked to n = 580000, Predrag Minovic
• 2004-12-13: Found n = 382268, Predrag Minovic
• 2004-12-08: Found n = 360829, Predrag Minovic
• 2004-12-07: Found n = 353734, Predrag Minovic
• 2004-12-04: Checked to n = 310000, Predrag Minovic
• 2004-08-06: Checked to n = 210000, Steven Harvey, released
• 2004-08-03: Checked to n = 208500, Steven Harvey
• 2004-08-01: Reserved by Steven Harvey
• 2004-06-24: Checked n = 20000 - 200000, Steven Harvey
• 2004-06-17: Reserved by Steven Harvey for n≤200000
• 2004-04-19: Found n = 188689, Marcin Lipinski
• 2004-04-13: Found n = 155794, Marcin Lipinski
• 2004-04-09: Found n = 154352, Marcin Lipinski
• 2000-07-09: Found n = 56049, Tom Kuechler
• 2000-07-09: Found n = 55769, Tom Kuechler
• 1999-06-13: Found n = 65676, Tom Kuechler
• 1999-03-30: Found n = 45689, Tom Kuechler
• 1999-03-01: Found n = 41378, Tom Kuechler
• 1999-02-18: Found n = 36681, Tom Kuechler
• 1999-02-18: Found n = 36101, Tom Kuechler
• 1999-02-18: Found n = 27526, Tom Kuechler
• 1999-02-18: Found n = 24582, Tom Kuechler
• 1999-02-18: Found n = 23554, Tom Kuechler
• 1989: Found n = 29588, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
• 1989: Found n = 29306, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
• 1989: Found n = 28581, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown