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` :	2,600,000
Date :	2024-08-23
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

1, 3^[1], 4^[2], 5^[3], 8^[4], 9, 12, 16, 28^[5], 51, 56^[6], 59^[7], 72^[8], 73, 88, 93, 105^[9], 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^[10], 68825, 72360, 78365^[11], 126303, 130240, 150808^[12], 214985, 254975^[13], 292573, 310619, 314188^[14], 331384, 356373, 398288, 536615, 603488, 690893^[15], 1376223, 2452892

Remarks :

Notes

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 for sieving only n=1000000-5000000
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

[1] S.G. n=3, Twin n=3

[2] S.G. n=4

[3] Twin n=5

[4] S.G. n=8

[5] Williams 129•128⁴-1

[6] Williams 129•128⁸-1

[7] Twin n=59

[8] S.G. n=72

[9] Williams 129•128¹⁵-1

[10] Williams 129•128⁶⁴⁸⁵-1

[11] Williams 129•128¹¹¹⁹⁵-1

[12] Williams 129•128²¹⁵⁴⁴-1

[13] Williams 129•128³⁶⁴²⁵-1

[14] Williams 129•128⁴⁴⁸⁸⁴-1

[15] Williams 129•128⁹⁸⁶⁹⁹-1

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Riesel primes of the form 129•2ⁿ-1

Current data

Notes

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Riesel primes of the form 129•2n-1

Current data

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Riesel primes of the form 129•2ⁿ-1