Riesel primes of the form 129•2n-1

Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1.

Current data

k , b : 129 , 2 Type : 3 Count : 64 Nash : 2753 Max n : 2,800,000 Date : 2024-11-13 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 3, 4, 5, 8, 9, 12, 16, 28, 51, 56, 59, 72, 73, 88, 93, 105, 148, 165, 292, 368, 445, 635, 771, 773, 940, 1173, 1965, 2661, 3092, 5001, 5091, 8741, 9773, 13960, 15328, 19408, 19911, 21228, 34876, 37341, 38564, 39055, 39152, 45395, 68825, 72360, 78365, 126303, 130240, 150808, 214985, 254975, 292573, 310619, 314188, 331384, 356373, 398288, 536615, 603488, 690893, 1376223, 2452892

History

• 2024-06-19: Found n = 2452892, Gary Barnes, NPLB K300 Drive 1
• 2024-05-16: Reserved by NPLB K300 Drive 1 for n > 2300000
• 2022-04-10: Checked to n = 2300000, RPS Megabit Drive 2
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2019-08-18: Checked to n = 2200000, RPS Megabit Drive 2
• 2011-09-13: Found n = 1376223, David Metcalfe, RPS Megabit Drive 2
• 2011-04-28: Reserved by RPS Megabit Drive 2 for n > 1000000
• 2009-07-30: Reserved by Borys Jaworski from n=1000000
• 2008-07-04: Checked to n = 1000000, RPS Drive 5, released
• 2007-07-13: Found n = 690893, Ed Goforth, Predrag Minovic, RPS Drive 5
• 2007-04-09: Found n = 603488, Larry Soule, RPS Drive 5
• 2007-02-09: Found n = 536615, Predrag Minovic, RPS Drive 5
• 2006-12-06: 398288 confirmed, Predrag Minovic, RPS Drive 5
• 2006-11-12: Reserved by RPS Drive 5, for n > 398000
• 2005-02-25: Found n = 398288, Jeffrey Sax
• 2005-02-08: Found n = 356373, Jeffrey Sax
• 2005-02-01: Found n = 331384, Jeffrey Sax
• 2005-01-29: Found n = 314188, Jeffrey Sax
• 2005-01-29: Found n = 310619, Jeffrey Sax
• 2005-01-23: Found n = 292573, Jeffrey Sax
• 2005-01-16: Found n = 254975, Jeffrey Sax
• 2005-01-16: Checked to n = 253000, Jeffrey Sax
• 2005-01-10: Checked n = 200000 - 210000, Steven Harvey, released
• 2005-01-08: Found n = 214985, Jeffrey Sax
• 2004-05-26: Reserved by Mark Anderson for n ≤ 200000
• 1989: Found n = 45395, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
• 1989: Found n = 19911, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown