Riesel primes of the form 99•2n-1

Reserved! This sequence is currently reserved by: Michael Curtis

Current data

k , b : 99 , 2 Type : 3 Count : 63 Nash : 2773 Max n : 3,450,000 Date : 2023-07-17 Reserved : Michael CurtisMichael Curtis/Reserved

1, 4, 5, 7, 8, 11, 19, 25, 28, 35, 65, 79, 212, 271, 361, 461, 1237, 1297, 1577, 1747, 1901, 1943, 2741, 3203, 3425, 5069, 6368, 8372, 9761, 12260, 13472, 24032, 26227, 34028, 34492, 54244, 55660, 56056, 60965, 67283, 74576, 118711, 170867, 175921, 269809, 275113, 305803, 358891, 390373, 435301, 586088, 1106989, 1292395, 1461496, 1591984, 1777688, 2070908, 2455541, 2658496, 2899303, 3026660, 3029959, 3102401

History

• 2023-07-17: Checked to n = 3450000, Michael Curtis
• 2021-04-05: Found n = 2658496, Michael Curtis
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2020-08-18: Found n = 3029959, Michael Curtis
• 2020-08-18: Found n = 3026660, Michael Curtis
• 2020-03-13: Checked to n = 2600000, Michael Curtis
• 2017-08-05: Found n = 3102401, Michael Curtis
• 2017-07-03: Checked to n = 2600000, Michael Curtis, n=2800000-3000000 done
• 2017-05-25: Found n = 2899303, Michael Curtis
• 2016-01-03: Checked to n = 2540000, Michael Curtis
• 2015-10-13: Found n = 2455451, Michael Curtis
• 2015-04-01: Checked to n = 2100000, Michael Curtis
• 2015-01-30: Found n = 2070908, Michael Curtis
• 2013-06-11: none, Michael Curtis
• 2012-05-04: none, Michael Curtis
• 2012-01-06: Checked to n = 2000000, Michael Curtis
• 2011-07-24: Found n = 1777688, Michael Curtis
• 2010-10-28: Checked to n = 1660000, Michael Curtis
• 2010-01-12: none, Michael Curtis
• 2009-09-01: Checked to n = 1600000, Michael Curtis
• 2009-03-06: Found n = 1591984, Michael Curtis
• 2009-03-05: Found n = 1461496, Michael Curtis
• 2009-02-13: Checked to n = 1300000, Michael Curtis
• 2008-07-14: Checked to n = 1300000, Michael Curtis
• 2008-04-29: Found n = 1292395, Michael Curtis
• 2008-02-22: Checked to n = 1220000, Michael Curtis
• 2008-01-13: Checked to n = 1200000, Michael Curtis
• 2007-11-21: Checked to n = 1150000, Michael Curtis
• 2007-11-01: Found n = 1106989, Ed Goforth, Michael Curtis
• 2007-10-24: Checked to n = 1100000, Michael Curtis
• 2007-09-10: Checked to n = 1040000, Michael Curtis
• 2007-07-30: Checked to n = 1010000, Michael Curtis
• 2006-11-14: Found n = 586088, Michael Curtis
• 2006-08-23: Found n = 435301, Michael Curtis
• 2006-08-02: Found n = 390373, Michael Curtis
• 2006-07-14: Found n = 358891, Michael Curtis
• 2006-06-14: Found n = 305803, Michael Curtis
• 2006-06-12: Found n = 275113, Michael Curtis
• 2006-06-12: Found n = 269809, Michael Curtis
• 2004-07-07: Found n = 175921, Thomas Ritschel
• 2004-07-05: Found n = 170867, Thomas Ritschel
• 2000-12-15: Found n = 60965, Tom Kuechler
• 1999-04-30: Found n = 34492, Tom Kuechler
• 1999-04-30: Found n = 34028, Tom Kuechler
• 1999-04-26: Found n = 26227, Tom Kuechler