Proth primes of the form 18534•4n+1

Reserved! This sequence is currently reserved by: Jean Penné

Current data

k , b : 18534 , 4 Type : 3Low Count : 0 Nash : 134 Max n : 7,950,087 Date : 2024-09-18 Reserved : Jean PennéJean Penné/Reserved

Remarks :

PrimeGrid Proth Prime Search Extended is double-checking n≤1661000. CRUS Liskovets-Gallot search for Proth 9267•2n+1 odd n.

History

• 2024-09-18: Checked to n = 7950087, Jean Penné
• 2024-07-19: Checked to n = 7900623, Jean Penné
• 2024-05-26: Checked to n = 7852011, Jean Penné
• 2024-03-19: Checked to n = 7802091, Jean Penné
• 2024-01-31: Checked to n = 7750503, Jean Penné
• 2023-12-09: Checked to n = 7700031, Jean Penné
• 2023-10-24: Checked to n = 7650927, Jean Penné
• 2023-10-21: Checked n = 1661000 - 1743000, PrimeGrid Proth Mega Prime Search, double-check
• 2023-09-04: Checked to n = 7600491, Jean Penné
• 2023-07-16: Checked to n = 7550547, Jean Penné
• 2023-06-02: Checked to n = 7500147, Jean Penné
• 2023-04-19: Checked to n = 7450071, Jean Penné
• 2023-01-31: Checked to n = 7350171, Jean Penné
• 2022-11-06: Checked to n = 7250571, Jean Penné
• 2022-07-19: Checked to n = 7100007, Jean Penné
• 2022-02-25: Checked to n = 6900178, Jean Penné
• 2022-01-21: Checked to n = 6849627, Jean Penné
• 2021-11-11: Checked to n = 6750411, Jean Penné
• 2021-04-24: Checked to n = 6603111, Jean Penné
• 2021-01-25: Checked to n = 6501123, Jean Penné
• 2020-10-25: Checked to n = 6405207, Jean Penné
• 2020-07-26: Checked to n = 6300171, Jean Penné
• 2020-05-16: Checked to n = 6200907, Jean Penné
• 2020-03-27: Checked to n = 6101367, Jean Penné
• 2020-02-08: Checked to n = 5999787, Jean Penné
• 2019-12-19: Checked to n = 5900703, Jean Penné
• 2019-11-03: Checked to n = 5802747, Jean Penné
• 2019-08-27: Checked to n = 5649927, Jean Penné
• 2019-04-10: Checked to n = 5351931, Jean Penné
• 2019-02-10: Checked to n = 5250627, Jean Penné
• 2018-12-23: Checked to n = 5150583, Jean Penné
• 2018-11-03: Checked to n = 5068347, Jean Penné
• 2018-09-24: Checked to n = 5001603, Jean Penné
• 2018-07-03: Checked to n = 4801371, Jean Penné
• 2018-05-21: Checked to n = 4700067, Jean Penné
• 2018-04-01: Checked to n = 4600107, Jean Penné
• 2018-02-13: Checked to n = 4501743, Jean Penné
• 2017-12-28: Checked to n = 4403151, Jean Penné
• 2017-11-05: Checked to n = 4252347, Jean Penné
• 2017-10-18: Checked to n = 4203351, Jean Penné
• 2017-09-26: Checked to n = 4150311, Jean Penné
• 2017-09-08: Checked to n = 4100283, Jean Penné
• 2017-08-22: Checked to n = 4054707, Jean Penné
• 2017-08-03: Checked to n = 4000191, Jean Penné
• 2017-07-18: Checked to n = 3950691, Jean Penné
• 2017-07-03: Checked to n = 3902391, Jean Penné
• 2017-06-17: Checked to n = 3853743, Jean Penné
• 2017-06-01: Checked to n = 3800583, Jean Penné
• 2017-04-29: Checked to n = 3700491, Jean Penné
• 2017-04-15: Checked to n = 3663663, Jean Penné
• 2017-03-05: Checked to n = 3550011, Jean Penné
• 2017-02-10: Checked to n = 3500547, Jean Penné
• 2017-01-23: Checked to n = 3450507, Jean Penné
• 2017-01-06: Checked to n = 3400587, Jean Penné
• 2016-08-16: Checked to n = 3350031, Jean Penné
• 2016-06-23: Checked to n = 3300531, Jean Penné
• 2016-04-26: Checked to n = 3250167, Jean Penné
• 2016-03-01: Checked to n = 3200271, Jean Penné
• 2016-01-19: Checked to n = 3156747, Jean Penné
• 2015-11-10: Checked to n = 3100551, Jean Penné
• 2015-09-25: Checked to n = 3050331, Jean Penné
• 2015-08-07: Reserved by Jean Penné
• 2013-08-01: Checked to n = 3000000, Dmitry Domanov
• 2012-12-21: Checked to n = 2000000, Dmitry Domanov
• 2012-10-15: Reserved by Dmitry Domanov
• 2008-01-24: Checked to n = 1000000, Jean Penné, released
• 2008-01-19: Checked to n = 991971, Jean Penné
• 2008-01-15: Checked to n = 983931, Jean Penné
• 2008-01-07: Checked to n = 969543, Jean Penné
• 2007-11-28: Checked to n = 900171, Jean Penné
• 2007-11-02: Checked to n = 837423, Jean Penné
• 2007-10-04: Reserved by Jean Penné for n≤1000000
• 2007-01-23: Checked to n = 750000, Harsh Aggarwal
• 2007-01-01: Reserved by Harsh Aggarwal
• 2006-08-23: Checked to n = 662500, Harsh Aggarwal, released
• 2006-06-21: Checked to n = 530000, Harsh Aggarwal
• 2006-04-24: Checked to n = 500000, Harsh Aggarwal
• 2005-12-20: Checked to n = 425000, Harsh Aggarwal
• 2005-02-01: Checked to n = 28875, Harsh Aggarwal
• 2005-01-26: Checked to n = 25000, Harsh Aggarwal