Proth primes of the form 53133•2n+1

Reserved! This sequence is currently part of Multi Reservation 12: CRUS Even Sierpiński.

Current data

k , b : 53133 , 2 Type : 3 Count : 18 Nash : 1475 Max n : 50,000 (10,000,000) Date : 2020-07-03 (2020-10-17) Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

14, 26, 44, 72, 144, 146, 204, 222, 404, 642, 716, 1116, 1178, 5846, 16292, 21224, 24788, 42542

History

• 2022-03-04: Checked to n = 10000000 (only odd n), (SRBase), Conjectures 'R Us
• 2021-12-26: Reserved by (SRBase), Conjectures 'R Us, for odd n=8000000-10000000
• 2021-08-03: Checked to n = 8000000 (only odd n), (SRBase), Conjectures 'R Us
• 2021-05-15: Reserved by (SRBase), Conjectures 'R Us, for odd n=6650000-8000000
• 2021-01-28: Checked to n = 6650000 (only odd n), (PRPnet port 1400), Conjectures 'R Us, released
• 2020-07-03: Checked to n = 50000, Karsten Bonath
• 2017-05-16: Checked to n = 4906000 (only odd n), (PRPnet port 1400), Conjectures 'R Us
• 2015-04-29: Checked to n = 3000000 (only odd n), (PRPnet port 1400), Conjectures 'R Us
• 2014-09-20: Reserved by (PRPnet port 1400), Conjectures 'R Us, for odd n>2000000
• 2011-08-10: Checked to n = 2000000 (only odd n), (PRPnet port 1300), Conjectures 'R Us, released
• 2011-05-13: Checked to n = 1400000 (only odd n), (PRPnet port 1300), Conjectures 'R Us
• 2011-02-07: Reserved by (PRPnet port 1300), Conjectures 'R Us
• 2009-04-09: Checked to n = 1128621 (only odd n), Jean Penné, released
• 2009-02-13: Reserved by Jean Penné
• 2008-07-10: Checked to n = 800000 (only odd n), Gary Barnes, released
• 2008-07-03: Checked to n = 772000 (only odd n), Gary Barnes
• 2008-06-26: Checked to n = 735000 (only odd n), Gary Barnes
• 2008-06-17: Checked to n = 689000 (only odd n), Gary Barnes
• 2008-05-21: Reserved by Gary Barnes, for odd n≤800000
• 2008-05-02: Checked to n = 600000 (only odd n), Gary Barnes, released
• 2008-04-10: Checked to n = 500000 (only odd n), Gary Barnes
• 2008-03-20: Checked to n = 445000 (only odd n), Gary Barnes
• 2008-03-10: Checked to n = 414000 (only odd n), Gary Barnes
• 2008-02-29: Checked to n = 365000 (only odd n), Gary Barnes
• 2008-02-14: Checked to n = 305000 (only odd n), Gary Barnes
• 2008-02-11: Checked to n = 286000 (only odd n), Gary Barnes
• 2008-02-06: Checked to n = 250000 (only odd n), Gary Barnes
• 2008-02-03: Checked to n = 224000 (only odd n), Gary Barnes
• 2008-01-21: Checked to n = 200000 (only odd n), Gary Barnes
• 2008-01-15: Checked to n = 115000 (only odd n), Gary Barnes
• 2008-01-14: Checked to n = 32000 (only odd n), Gary Barnes