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Riesel primes of the form 189•2n-1
Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1. |
Current data
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Notes
History
- 2024-10-18: Found n = 2730633, Florian Piesker, 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
- 2014-01-27: Found n = 1547744, Carlos Eduardo Pinho, RPS Megabit Drive 2
- 2011-04-28: Reserved by RPS Megabit Drive 2 for n > 1000000
- 2009-09-15: Checked n = 770000 - 1000000, RPS Drive 9ks, released
- 2009-08-10: Found n = 984683, Carlos Eduardo Pinho, RPS Drive 9ks
- 2009-06-10: Found n = 891876, Adam Sutton, RPS Drive 9ks
- 2009-06-05: Found n = 888200, Predrag Minovic, RPS Drive 9ks
- 2008-05-11: Reserved by RPS Drive 9ks for n = 770000 - 1000000
- 2007-11-01: Checked n = 700000 - 770000, Predrag Minovic, released
- 2007-02-02: Checked to n = 700000, Thomas Masser, released
- 2005-10-05: Checked to n = 700000, Thomas Masser
- 2005-04-16: Found n = 480835, Thomas Masser
- 2005-04-02: Found n = 487601, Thomas Masser
- 2005-04-01: Found n = 496835, Thomas Masser
- 2005-02-25: Found n = 323900, Thomas Masser
- 2005-01-06: Checked to n = 300000, Thomas Masser
- 2005-01-04: Checked n = 200000 - <300000, Thomas Masser
- 2004-12-31: Found n = 255372, Thomas Masser
- 2004-12-31: Found n = 246356, Thomas Masser
- 2004-12-15: Found n = 239891, Thomas Masser
- 2004-12-14: Found n = 237968, Thomas Masser
- 2004-12-13: Found n = 235068, Thomas Masser
- 2004-12-02: Found n = 213856, Thomas Masser
- 2004-08-12: Checked n = 73401 - 200000, Steven Harvey, released
- 2004-08-12: Found n = 175901, Steven Harvey
- 2004-08-06: Reserved by Steven Harvey for n ≤ 200000
- 1989: Found n = 34233, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
- 1989: Found n = 31965, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
- 1989: Found n = 24404, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
- 1989: Found n = 21161, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
- 1989: Found n = 14585, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown