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Difference between revisions of "Cullen prime 3"

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(add small primes to history (consistency))
 
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{{Cullen prime
 
{{Cullen prime
 
|CuBase=3
 
|CuBase=3
|CuMaxn=1200000
+
|CuMaxn=5000000
|CuDate=2019-04-28
+
|CuDate=2024-10-25
 
|CuReserved=
 
|CuReserved=
 
|CuNlist=
 
|CuNlist=
2
+
2;T:T
 
8
 
8
 
32
 
32
54
+
54;C:{{NPr|2|3|57}}
114
+
114;C:{{NPr|38|3|115}}
414
+
414;C:{{NPr|46|3|416}}
 
1400
 
1400
 
1850
 
1850
 
2848;40927
 
2848;40927
 
4874;32658
 
4874;32658
7268;2 8089
+
7268;28089
19290;18245;C:{{Kbn|+|6430|3|19291}}
+
19290;18245;C:{{NPr|6430|3|19291}}
337590;77889;C:{{Kbn|+|37510|3|337592}}
+
337590;77889;C:{{NPr|37510|3|337592}}
 
1183414;116944
 
1183414;116944
 +
1308596;136290
 +
2220172;136408
 +
9145334;136811
 
|CuRemarks=The {{OEIS|l|A006552}}
 
|CuRemarks=The {{OEIS|l|A006552}}
 
}}
 
}}
 
==History==
 
==History==
{{HistC|2014|166800 - 1200000|Predrag Minovic}}
+
{{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released
 +
{{HistF|2023-12-25|9145334|Ryan Propper}}
 +
{{HistC|2023-12-10|1200000-3000000|Mark Rodenkirch|874052}}, released
 +
{{HistC|2023-09-09|3000000-5000000|Ryan Propper|864697}}
 +
{{HistR|2023-09-04|Ryan Propper|864381}} for {{Rn|3000000|5000000}}
 +
{{HistF|2023-09-02|2220172|Mark Rodenkirch|864243}}
 +
{{HistF|2023-07-23|1308596|Mark Rodenkirch|859262}}
 +
{{HistR|2023-07-03|Mark Rodenkirch|858092}} to {{Rn|3000000|3000000}}
 +
{{HistC|2014|166800-1200000|Predrag Minovic}}
 
{{HistF|2014-01-20|1183414|Predrag Minovic}}
 
{{HistF|2014-01-20|1183414|Predrag Minovic}}
 
{{HistF|2006-06-02|337590|Predrag Minovic}}
 
{{HistF|2006-06-02|337590|Predrag Minovic}}
 +
{{HistC|2002|48949-166817|Günter Löh}}
 +
{{HistC|2000|7781-48949|Wilfrid Keller}}
 +
{{HistF|2000-01-26|7268|Chun Wa Lau}}, missing prime found
 
{{HistF|1998-11-12|19290|Wilfrid Keller}}
 
{{HistF|1998-11-12|19290|Wilfrid Keller}}
{{HistF|2000-01-26|7268|Chun Wa Lau}}
+
{{HistC|1989|1-7781|Harvey Dubner}}
 
{{HistF|1989|4874|Harvey Dubner}}
 
{{HistF|1989|4874|Harvey Dubner}}
 
{{HistF|1989|2848|Harvey Dubner}}
 
{{HistF|1989|2848|Harvey Dubner}}
 +
{{HistF|1989|1400, 1850|Harvey Dubner}}

Latest revision as of 05:59, 9 November 2024

Current data

ASCII format : n*3^n+1
Base : 3
Count : 17
Max n : 5,000,000
Date : 2024-10-25
2[1], 8, 32, 54[2], 114[3], 414[4], 1400, 1850, 2848, 4874, 7268, 19290[5], 337590[6], 1183414, 1308596, 2220172, 9145334
Remarks :
The sequence A006552 in OEIS

Notes

History