Riesel primes of the form 171•2n-1

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

Current data

k , b : 171 , 2 Type : 3 Count : 49 Nash : 2674 Max n : 5,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

2, 3, 5, 10, 25, 29, 39, 73, 103, 109, 123, 198, 378, 434, 825, 925, 1265, 1802, 2134, 2199, 2629, 3154, 3490, 4093, 4814, 5490, 7029, 9074, 9298, 10249, 10505, 12185, 16382, 19030, 26237, 28890, 40123, 61483, 129309, 133527, 182745, 259262, 269539, 290403, 576733, 590818, 684003, 1362662, 1575999

History

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2014-02-06: Found n = 1575999, Carlos Eduardo Pinho, RPS 2nd Megabit Drive
• 2011-09-06: Found n = 1362662, David Metcalfe, RPS 2nd Megabit Drive
• 2011-04-28: Reserved by RPS 2nd Megabit Drive for n > 1000000
• 2005-05-27: Found n = 684003, Thomas Masser
• 2005-05-23: Found n = 590818, Thomas Masser
• 2005-05-17: Found n = 576733, Thomas Masser
• 2005-01-05: Found n = 269539, Thomas Masser
• 2004-12-31: Found n = 290403, Thomas Masser
• 2004-12-31: Found n = 259262, Thomas Masser
• 2004-06-21: Found n = 182745, Thomas Masser
• 1999-05-22: Found n = 26237, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
• 1998-07-19: Found n = 16382, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown