Riesel primes of the form 1183953•2n-1

Reserved! This sequence is currently part of Multi Reservation 14: Woodall fill-in.

Current data

k , b : 1183953 , 2 Type : 3 Count : 27 Nash : 1973 Max n : 750,000 Date : 2024-10-26 Reserved : Alexander JonesAlexander Jones/Reserved

7, 19, 23, 32, 44, 191, 196, 338, 458, 503, 532, 539, 1931, 2072, 2783, 3074, 9439, 11651, 19187, 25627, 26344, 58463, 132203, 202319, 384787, 496687, 2367907

History

• 2021-08-19: Checked to n = 525000, Alexander Jones
• 2021-06-27: Checked to n = 500000, Alexander Jones
• 2021-05-12: Checked to n = 475000, Alexander Jones
• 2021-04-03: Checked to n = 450000, Alexander Jones
• 2021-01-04: Checked to n = 425000, Alexander Jones
• 2020-11-18: Checked to n = 400000, Alexander Jones
• 2020-10-23: Found n = 384787, Alexander Jones
• 2020-09-19: Checked to n = 375000, Alexander Jones
• 2020-08-09: Checked to n = 350000, Alexander Jones, Predrag Kurtovic
• 2020-07-14: Checked to n = 300000, Alexander Jones
• 2020-03-17: Checked to n = 250000, Alexander Jones
• 2019-09-17: Checked to n = 50000, Alexander Jones
• 2019-07-24: Reserved by Alexander Jones
• 2007-09-03: Found n = 2367907, Stephen Kohlman, PrimeGrid Woodall Prime Search (Official announcement)