Riesel primes of the form 177•2n-1

Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1.

Current data

k , b : 177 , 2 Type : 3 Count : 38 Nash : 1622 Max n : 2,800,000 Date : 2024-11-13 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 12, 13, 24, 25, 34, 36, 48, 61, 66, 196, 264, 376, 672, 732, 877, 1032, 1104, 1177, 1242, 2664, 7756, 35034, 37728, 57796, 96978, 98353, 277458, 282546, 418816, 582454, 653686, 663601, 665874, 668682, 769026, 1334422, 1775674

History

• 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
• 2015-06-19: Reserved by RPS Megabit Drive 2 for n > 2000000
• 2012-10-21: Checked to n = 2000000, Oscar Tutusaus Santandreu, released
• 2012-08-23: Found n = 1775674, Oscar Tutusaus Santandreu
• 2012-08-14: Checked to n = 1900000, Oscar Tutusaus Santandreu
• 2012-07-14: Checked to n = 1600000, Oscar Tutusaus Santandreu
• 2012-06-06: Checked to n = 1350000, Oscar Tutusaus Santandreu
• 2012-06-03: Found n = 1334422, Oscar Tutusaus Santandreu
• 2012-05-18: Checked to n = 1300000, Predrag Minovic, released
• 2012-05-10: Reserved by Oscar Tutusaus Santandreu from n=1300000
• 2012-05-08: Reserved by Predrag Minovic from n=1280000
• 2009-08-09: Checked to n = 1280000, Predrag Minovic, released
• 2008-02-24: Checked to n = 1280000, Predrag Minovic
• 2006-10-13: Checked to n = 850000, Predrag Minovic
• 2006-09-14: Found n = 769026, Predrag Minovic
• 2006-08-23: Found n = 668682, Predrag Minovic
• 2006-08-23: Found n = 665874, Predrag Minovic
• 2006-08-16: Found n = 663601, Predrag Minovic
• 2006-08-13: Found n = 653686, Predrag Minovic
• 2006-06-29: Found n = 582454, Predrag Minovic
• 2006-05-21: Found n = 418816, Predrag Minovic
• 2006-04-24: Found n = 282546, Predrag Minovic
• 2006-04-23: Found n = 277458, Predrag Minovic
• 2006-04-02: Reserved by Predrag Minovic from n=210000
• 2005-01-12: Checked to n = 210000, Steven Harvey, released
• 2005-01-10: Reserved by Steven Harvey
• 2004-08-12: Checked n = 70752 - 200000, Steven Harvey, released
• 2004-08-06: Reserved by Steven Harvey for n ≤ 200000
• 2004-07-15: Checked to n = 125000, Ingmar Goudt, released
• 2004-07-13: Checked to n = 100000, Ingmar Goudt
• 2004-07-10: Reserved by Ingmar Goudt for 70000 < n < 80000
• 1989: Found n = 7756, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown