Riesel primes of the form 187•2n-1

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

Current data

k , b : 187 , {{{Rb}}} Count : Attention! Parameter RCount=26 not given! Nash : 1158 Max n : 5,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

1, 17, 21, 53, 253, 2173, 3313, 5197, 5333, 6929, 28017, 40429, 47877, 80617, 110513, 139673, 141201, 263093, 379649, 483153, 618293, 645401, 739321, 838101, 1461697, 2172693

[[Category:Riesel {{{Rb}}}|#.....00187]]

History

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2019-06-24: Found n = 2172693, David Metcalfe
• 2014-04-22: Checked to n = 2000000, David Metcalfe, released
• 2014-04-15: Found n = 1461697, David Metcalfe
• 2014-04-13: Reserved by David Metcalfe
• 2008-09-27: Found n = 838101, Even Stokkedalen
• 2008-07-28: Found n = 739321, David Metcalfe
• 2008-06-28: Found n = 645401, Carlos Eduardo Pinho
• 2008-07-19: Found n = 618293, Mark Jordan
• 2006-05-31: Found n = 483153, Larry Soule
• 2006-04-22: Found n = 379649, Larry Soule
• 2006-03-28: Found n = 263093, Larry Soule
• 2000-03-27: Found n = 47877, Dirk Augustin
• 1999-09-23: Found n = 40429, Tom Kuechler