Riesel primes of the form 177•2n-1

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

Current data

k , b : 177 , 2 Type : 3 Count : 38 Nash : 1622 Max n : 5,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/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

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2015-06-19: Reserved by RPS 2nd Megabit Drive 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
• 2006-09-14: 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
• 1989: Found n = 7756, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown