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Cullen primes n•2n+1
Reserved! This sequence is currently reserved by: PrimeGrid Cullen Prime Search |
Current data
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Remarks : |
The sequence A005849 in OEIS Current status at PrimeGrid |
Notes
History
- 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
- 2021-09-11: Checked to n = 21000000, PrimeGrid Cullen Prime Search
- 2009-08-04: Found n = 6679881, Magnus Bergman, PrimeGrid Cullen Prime Search (Official announcement)
- 2009-04-20: Found n = 6328548, Dennis R. Gesker, PrimeGrid Cullen Prime Search (Official announcement)
- 2005-08-25: Found n = 1354828, Mark Rodenkirch
- 1998-09-30: Found n = 481899, Masakatu Morii
- 1998-07-31: Found n = 361275, Darren Smith
- 1998-03-08: Found n = 262419, Darren Smith
- 1997-05: Found n = 90825, Jeffrey Young
- 1997-05: Found n = 59656, Jeffrey Young
- 1997-05-01: Found n = 32469, Masakatu Morii
- 1997-05-01: Found n = 32292, Masakatu Morii
- 1984: Found n = 18496, Wilfrid Keller
- 1984: Found n = 6611, Wilfrid Keller
- 1984: Found n = 5795, Wilfrid Keller
- 1984: Found n = 4713, Wilfrid Keller
- 1957: Found n = 141, Raphael M. Robinson
- 1905: Found n = 1, James Cullen