| Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
| Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
Difference between revisions of "Cullen prime 2"
(updated) |
(double-check to n=100K) |
||
| (5 intermediate revisions by 2 users not shown) | |||
| Line 1: | Line 1: | ||
{{Cullen prime | {{Cullen prime | ||
|CuBase=2 | |CuBase=2 | ||
| − | |CuMaxn= | + | |CuMaxn=25000000 |
| − | |CuDate= | + | |CuDate=2024-10-25 |
|CuReserved=PrimeGrid Cullen Prime Search | |CuReserved=PrimeGrid Cullen Prime Search | ||
|CuNlist= | |CuNlist= | ||
| Line 10: | Line 10: | ||
5795;38112 | 5795;38112 | ||
6611;37374 | 6611;37374 | ||
| − | 18496;23436;C:{{NPr|289|18502}}, [[ | + | 18496;23436;C:{{NPr|289|18502}}, [[Generalized Fermat number]] |
32292;17877;C:{{NPr|8073|32294}} | 32292;17877;C:{{NPr|8073|32294}} | ||
32469;17850 | 32469;17850 | ||
| Line 24: | Line 24: | ||
}} | }} | ||
==History== | ==History== | ||
| + | {{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released | ||
| + | {{HistC|2021-09-11|21000000|PrimeGrid Cullen Prime Search}} | ||
{{HistF|2009-08-04|6679881|Magnus Bergman,PrimeGrid Cullen Prime Search}} ([https://www.primegrid.com/download/cullen-6679881.pdf Official announcement]) | {{HistF|2009-08-04|6679881|Magnus Bergman,PrimeGrid Cullen Prime Search}} ([https://www.primegrid.com/download/cullen-6679881.pdf Official announcement]) | ||
{{HistF|2009-04-20|6328548|Dennis R. Gesker,PrimeGrid Cullen Prime Search}} ([https://www.primegrid.com/download/cullen-6328548.pdf Official announcement]) | {{HistF|2009-04-20|6328548|Dennis R. Gesker,PrimeGrid Cullen Prime Search}} ([https://www.primegrid.com/download/cullen-6328548.pdf Official announcement]) | ||
| Line 38: | Line 40: | ||
{{HistF|1984|5795|Wilfrid Keller}} | {{HistF|1984|5795|Wilfrid Keller}} | ||
{{HistF|1984|4713|Wilfrid Keller}} | {{HistF|1984|4713|Wilfrid Keller}} | ||
| − | {{HistF|1957|141|Raphael Robinson}} | + | {{HistF|1957|141|Raphael M. Robinson}} |
{{HistF|1905|1|James Cullen}} | {{HistF|1905|1|James Cullen}} | ||
{{DISPLAYTITLE:Cullen primes {{Kbn|+|n|2|n}}|noerror}} | {{DISPLAYTITLE:Cullen primes {{Kbn|+|n|2|n}}|noerror}} | ||
Latest revision as of 05:01, 29 October 2024
| Reserved! This sequence is currently reserved by: PrimeGrid Cullen Prime Search |
Current data
|
|
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
