Riesel primes of the form 189•2n-1

Reserved! This sequence is currently part of Multi Reservation 5: CRUS Liskovets-Gallot.

Current data

k , b : 189 , {{{Rb}}} Count : Attention! Parameter RCount=62 not given! Nash : 2793 Max n : 5,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

3, 4, 5, 8, 11, 12, 24, 33, 44, 48, 56, 76, 93, 108, 172, 216, 304, 363, 401, 420, 500, 545, 581, 756, 875, 1552, 1931, 2740, 2787, 2825, 3443, 5235, 8444, 10523, 12755, 14585, 21161, 24404, 25880, 31316, 31965, 32040, 34233, 34323, 36443, 54436, 69403, 175901, 213856, 235068, 237968, 239891, 246356, 255372, 323900, 480835, 487601, 496835, 888200, 891876, 984683, 1547744

[[Category:Riesel {{{Rb}}}|#.....00189]]

History

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2014-01-27: Found n = 1547744, Carlos Eduardo Pinho
• 2009-08-10: Found n = 984683, Carlos Eduardo Pinho
• 2009-06-10: Found n = 891876, Adam Sutton
• 2009-06-05: Found n = 888200, Predrag Minovic
• 2007-11-01: Checked n = 700000 - 770000, Predrag Minovic
• 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
• 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: Found n = 175901, Steven Harvey
• 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