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Difference between revisions of "Cullen prime 2"

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(remove already normalized Riesel references (consistency))
(double-check to n=100K)
 
Line 2: Line 2:
 
|CuBase=2
 
|CuBase=2
 
|CuMaxn=25000000
 
|CuMaxn=25000000
−
|CuDate=2024
+
|CuDate=2024-10-25
 
|CuReserved=PrimeGrid Cullen Prime Search
 
|CuReserved=PrimeGrid Cullen Prime Search
 
|CuNlist=
 
|CuNlist=
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}}
 
{{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])

Latest revision as of 05:01, 29 October 2024

Reserved! This sequence is currently reserved by: PrimeGrid Cullen Prime Search

Current data

ASCII format : n*2^n+1
Base : 2
Count : 16
Max n : 25,000,000
Date : 2024-10-25
Reserved : PrimeGrid Cullen Prime SearchPrimeGrid Cullen Prime Search/Reserved
1, 141, 4713, 5795, 6611, 18496[1], 32292[2], 32469, 59656[3], 90825, 262419, 361275, 481899, 1354828[4], 6328548[5], 6679881
Remarks :
The sequence A005849 in OEIS
Current status at PrimeGrid

Notes

  1. ↑ Proth 289•218502+1, Generalized Fermat number
  2. ↑ Proth 8073•232294+1
  3. ↑ Proth 7457•259659+1
  4. ↑ Proth 338707•21354830+1
  5. ↑ Proth 1582137•26328550+1

History

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