Riesel primes of the form 53•2n-1

Reserved! This sequence is currently part of Multi Reservation 4: RPS Megabit Drive 1.

Current data

k , b : 53 , 2 Count : 23 Nash : 1368 Max n : 3,100,000 Date : 2020-11-12 Reserved : Riesel Prime SearchRiesel Prime Search/Reserved

2, 6, 8, 42, 50, 62, 362, 488, 642, 846, 2870, 3042, 5096, 10556, 12642, 17850, 21710, 25230, 30392, 43122, 206970, 582078, 1632590

History

• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2018-04-11: Checked to n = 3000000, RPS 1st Megabit Drive
• 2011-04-18: Found n = 1632590, Larry Soule, RPS 1st Megabit Drive
• 2011-01-26: Reserved by RPS 1st Megabit Drive for n > 1000000
• 2010-04-30: Sieving, James P. Burt
• 2007-07-11: Found n = 582078, James P. Burt
• 2004-06-17: Found n = 206970, Predrag Minovic
• 1989: Found n = 21710, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown