Riesel primes of the form 225•2n-1

Current data

k , b : 225 , 2 Type : 315 Count : 26 Nash : 1430 Max n : 3,000,000 Date : 2022-04-10

1, 23, 25, 53, 65, 139, 149, 481, 613, 1343, 1601, 2125, 4385, 9005, 9169, 57013, 99821, 113893, 162653, 206293, 491135, 1123975, 1177945, 1395649, 1620601, 2055433

History

• 2022-04-10: Checked n = 2000000 - 3000000, Thomas Ritschel, released
• 2022-04-10: Found n = 2055433, Thomas Ritschel
• 2021-11-20: Reserved by Thomas Ritschel from n = 2000000
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2014-10-05: Checked n = 1700000 - 2000000, Predrag Minovic, released
• 2013-09-08: Checked n = 1625000 - 1700000, Predrag Minovic
• 2013-07-09: Checked n = 1400000 - 1625000, Predrag Minovic
• 2013-07-05: Found n = 1620601, Predrag Minovic
• 2013-01-04: Checked n = 1200000 - 1400000, Predrag Minovic
• 2012-12-21: Found n = 1395649, Predrag Minovic
• 2012-09-15: Checked n = 1060000 - 1200000, Predrag Minovic
• 2012-09-07: Found n = 1123975, Predrag Minovic
• 2012-09-05: Found n = 1177945, Predrag Minovic
• 2012-08-20: Checked n = 1000000 - 1060000, Predrag Minovic
• 2012-08-20: Reserved by Predrag Minovic
• 2009-09-15: Checked n = 700000 - 1000000, RPS Drive 9ks, released
• 2007-12-03: Reserved by RPS Drive 9ks for n = 700000 - 1000000
• 2007-02-02: Checked to n = 700000, Thomas Masser, released
• 2005-10-05: Checked n = 300000 - 700000, Thomas Masser
• 2005-04-11: Found n = 491135, Thomas Masser
• 2005-01-06: Checked n = 200000 - 300000, Thomas Masser
• 2005-01-04: Checked n = 200000 - <300000, Thomas Masser
• 2004-11-29: Found n = 206293, Thomas Masser
• 2004-07-12: Checked n = 1 - 200000, Thomas Masser
• 2004-06-06: Reserved by Thomas Masser
• 2003-12-22: Checked to n = 10000,