Riesel primes of the form 91179•2n-1

Current data

k , b : 91179 , 2 Type : 3 Count : 25 Nash : 1356 Max n : 1,900,000 Date : 2025-02-08

20, 99, 176, 180, 308, 515, 609, 704, 876, 1428, 2865, 5571, 5856, 6260, 9104, 9335, 9516, 21753, 53196, 265041, 317468, 466395, 791235, 1497191, 1823580

History

• 2025-02-08: Checked n = 500000 - 1900000, Gary Barnes, released
• 2025-02-03: Reserved by Gary Barnes for n = 500000 - 1900000
• 2025-02-03: Checked n = 50000 - 500000, Gary Barnes
• 2021-08-16: Checked n = 1 - 50000, Alexander Jones
• 2016-12-18: Found n = 1823580, Thomas Ritschel, The Other Prime Search
• 2011-11-23: Checked n = 1 - 1007, Gary Barnes