Riesel primes of the form 33•2ⁿ-1

Reserved! This sequence is currently reserved by: Ryan Propper

Current data

`k` , `b` :	33 , 2
Type :	3
Count :	68
Nash :	2675
Max `n` :	6,000,000
Date :	2024-08-16
Reserved :	Ryan PropperRyan Propper/Reserved

2^[1], 3, 6^[2], 8, 10^[3], 22^[4], 35^[5], 42^[6], 43, 46, 56, 91, 102, 106, 142, 190^[7], 208, 266^[8], 330^[9], 360^[10], 382, 462^[11], 503, 815^[12], 1038, 1651, 1855^[13], 1858, 1992, 2232, 4462, 4726, 5475^[14], 6702, 9710^[15], 10931, 11503, 20552, 22291, 26575^[16], 35931, 39271, 51326, 57695^[17], 63115^[18], 67182, 109848, 128635^[19], 136971, 173110^[20], 174182, 373446, 585400^[21], 598248, 674050^[22], 773030^[23], 1115902, 1813526, 2118570^[24], 2212971, 2215291, 2499883, 2513872, 2939063, 3242126, 6019138, 6432160^[25], 6894190^[26]

Remarks :

The sequence A002240 in OEIS
See also Williams 33•32ⁿ-1

Notes

History

2024-08-16: Reserved by Ryan Propper, for n = 6000000 - 12000000
2024-08-16: Reservation dropped, Dmitry Domanov
2022-06-04: Found n = 6432160, Ryan Propper
2022-05-15: Found n = 6019138, Ryan Propper
2021-07-27: Found n = 6894190, Ryan Propper
2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
2020-03-11: Checked to n = 6000000, Dmitry Domanov
2017-04-01: Checked to n = 4180000, Dmitry Domanov
2015-05-06: Checked to n = 3800000, Dmitry Domanov
2014-12-24: Checked to n = 3700000, Dmitry Domanov
2014-09-25: Checked to n = 3370000, Dmitry Domanov
2014-07-11: Found n = 3242126, Dmitry Domanov
2014-06-30: Checked to n = 3200000, Dmitry Domanov
2013-11-30: Checked to n = 3000000, Dmitry Domanov
2013-11-02: Found n = 2939063, Dmitry Domanov
2013-09-30: Checked to n = 2860000, Dmitry Domanov
2013-09-03: Checked to n = 2780000, Dmitry Domanov
2013-08-07: Found n = 2513872, Dmitry Domanov
2013-07-30: Checked to n = 2500000, Dmitry Domanov
2013-07-30: Found n = 2499883, Dmitry Domanov
2013-06-29: Found n = 2215291, Dmitry Domanov
2013-06-25: Found n = 2212971, Dmitry Domanov
2013-06-20: Found n = 2118570, Dmitry Domanov
2013-02-01: Checked to n = 2000000, Dmitry Domanov
2012-11-07: Reserved by Dmitry Domanov from n=1900000
2012-11-06: Checked to n = 1900000, Adam Sutton, released
2009-01-10: Checked to n = 1900000, Adam Sutton
2008-10-14: Found n = 2118570, Adam Sutton
2008-10-14: Found n = 1813526, Adam Sutton
2008-03-24: Found n = 1115902, Adam Sutton
2008-02-29: Checked to n = 900000, Adam Sutton
2008-01-25: Checked to n = 855000, Adam Sutton
2007-12-15: Checked to n = 786000, Adam Sutton
2007-12-06: Found n = 773030, Adam Sutton
2007-11-10: Reserved by Adam Sutton
2007-08-11: ?, Carlos Eduardo Pinho, released
2007-01-08: Found n = 674050, Larry Soule
2006-11-25: Found n = 598248, Larry Soule
2006-11-18: Found n = 585400, Larry Soule
2004-09-22: Found n = 373446, Jeffrey Sax
2004-07-01: Found n = 174182, Steven Harvey
2004-06-30: Found n = 173110, Steven Harvey
1998-12-16: Found n = 39271, Tadashi Taura
1998-08-13: Found n = 26575, Wilfrid Keller
1998-08-09: Found n = 22291, Wilfrid Keller
1998-08-08: Found n = 20552, Wilfrid Keller
1994: Found n = 6702, Harvey Dubner
1989: Found n = 67182, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
1989: Found n = 9710, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown

[1] S.G. n=2

[2] Twin n=6

[3] Williams 33•32²-1

[4] Twin n=22

[5] Williams 33•32⁷-1

[6] S.G. n=42

[7] Williams 33•32³⁸-1

[8] Near Woodall 264•2²⁶³-1

[9] Woodall 33•1024³³-1, Williams 33•32⁶⁶-1

[10] Williams 33•32⁷²-1

[11] Woodall 33•16384³³-1

[12] Williams 33•32¹⁶³-1

[13] Williams 33•32³⁷¹-1

[14] Williams 33•32¹⁰⁹⁵-1

[15] Williams 33•32¹⁹⁴²-1

[16] Williams 33•32⁵³¹⁹-1

[17] Williams 33•32¹¹⁵³⁹-1

[18] Williams 33•32¹²⁶²³-1

[19] Williams 33•32²⁵⁷²⁷-1

[20] Williams 33•32³⁴⁶²²-1

[21] Williams 33•32¹¹⁷⁰⁸⁰-1

[22] Williams 33•32¹³⁴⁸¹⁰-1

[23] Williams 33•32¹⁵⁴⁶⁰⁶-1

[24] Williams 33•32⁴²³⁷¹⁴-1

[25] Williams 33•32^1286432-1

[26] Williams 33•32^1378838-1

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Riesel primes of the form 33•2ⁿ-1

Current data

Notes

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Riesel primes of the form 33•2n-1

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Riesel primes of the form 33•2ⁿ-1