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Difference between revisions of "Cullen prime 2"

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(check to n=25M, exact date unknown)
(remove already normalized Riesel references (consistency))
Line 5: Line 5:
 
|CuReserved=PrimeGrid Cullen Prime Search
 
|CuReserved=PrimeGrid Cullen Prime Search
 
|CuNlist=
 
|CuNlist=
−
1;C:{{NPr|1}}
+
1
−
141;C:{{NPr|141|141}}
+
141
−
4713;40087;C:{{NPr|4713|4713}}
+
4713;40087
−
5795;38112;C:{{NPr|5795|5795}}
+
5795;38112
−
6611;37374;C:{{NPr|6611|6611}}
+
6611;37374
 
18496;23436;C:{{NPr|289|18502}}, [[Generalized Fermat number]]
 
18496;23436;C:{{NPr|289|18502}}, [[Generalized Fermat number]]
 
32292;17877;C:{{NPr|8073|32294}}
 
32292;17877;C:{{NPr|8073|32294}}
−
32469;17850;C:{{NPr|32469|32469}}
+
32469;17850
 
59656;10752;C:{{NPr|7457|59659}}
 
59656;10752;C:{{NPr|7457|59659}}
−
90825;5931;C:{{NPr|90825|90825}}
+
90825;5931
−
262419;271;C:{{NPr|262419|262419}}
+
262419;271
−
361275;102;C:{{NPr|361275|361275}}
+
361275;102
−
481899;77;C:{{NPr|481899|481899}}
+
481899;77
 
1354828;75433;C:{{NPr|338707|1354830}}
 
1354828;75433;C:{{NPr|338707|1354830}}
 
6328548;87775;C:{{NPr|1582137|6328550}}
 
6328548;87775;C:{{NPr|1582137|6328550}}
−
6679881;89536;C:{{NPr|6679881|6679881}}
+
6679881;89536
 
|CuRemarks=The {{OEIS|l|A005849}}<br>[http://www.primegrid.com/stats_cullen_llr.php Current status] at [[PrimeGrid]]
 
|CuRemarks=The {{OEIS|l|A005849}}<br>[http://www.primegrid.com/stats_cullen_llr.php Current status] at [[PrimeGrid]]
 
}}
 
}}

Revision as of 23:43, 21 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
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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