Riesel primes of the form 18975•2n-1

Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 18975 , 2 Type : 315 Count : 87 Nash : 4465 Max n : 375,000 Date : 2021-06-01 Reserved : Alexander JonesAlexander Jones/Reserved

3, 5, 10, 11, 12, 19, 20, 26, 28, 29, 48, 53, 60, 65, 76, 92, 94, 125, 145, 255, 288, 290, 305, 400, 415, 713, 831, 893, 905, 989, 1272, 1275, 1294, 1295, 1298, 1846, 1864, 1875, 1999, 2139, 2513, 2859, 2924, 3759, 4253, 5354, 5525, 5555, 5932, 6317, 7477, 7657, 7814, 8989, 10703, 14129, 14763, 15356, 16219, 21240, 28491, 31718, 32010, 41052, 41732, 44504, 63682, 71123, 81879, 101761, 106477, 130174, 137125, 148156, 174504, 188494, 200275, 260212, 300939, 362906, 402402, 421970, 456235, 593921, 613126, 962429, 999636

History

• 2021-06-01: Checked to n = 375000, Alexander Jones
• 2021-01-13: Checked to n = 350000, Alexander Jones
• 2020-10-01: Checked to n = 325000, Alexander Jones
• 2020-06-17: Checked to n = 300000, Alexander Jones
• 2020-03-17: Reserved by Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2011-10-03: Checked n = 400000  -  1000000, RPS Drive 9, released
• 2011-08-13: Found n = 999636, Edward Trice
• 2011-06-14: Found n = 962429, Peter Benson
• 2010-02-17: Found n = 613126, Predrag Minovic
• 2010-01-07: Found n = 593921, Serge Batalov
• 2009-05-27: Found n = 456235, Adam Sutton
• 2009-05-13: Found n = 421970, Lennart Vogel
• 2009-05-13: Found n = 402402, Predrag Minovic
• 2009-05-12: Reserved by RPS Drive 9