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Difference between revisions of "Riesel prime 2 15"

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(add Williams prime comment)
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==History==
 
==History==
−
{{HistC|2024-09-02|2-100000|Mark Rodenkirch|1052874}}, double-check, released
+
{{HistC|2024-09-02|8-400000 only {{Vn}} ≡ 0 mod 4|Mark Rodenkirch|1052874}}, double-check, released
−
{{HistR|2024-08-22|Mark Rodenkirch|903884}} for {{Rn|2|100000}}, double-check
+
{{HistR|2024-08-22|Mark Rodenkirch|903884}} for {{Rn|8|400000}} '''only {{Vn}} ≡ 0 mod 4''', double-check
 
{{HistF|2024-08-14|9482269|Ryan Propper}}
 
{{HistF|2024-08-14|9482269|Ryan Propper}}
 
{{HistC|2024-06-13|6000000-7000000|Ryan Propper|659284}}
 
{{HistC|2024-06-13|6000000-7000000|Ryan Propper|659284}}

Revision as of 07:31, 3 September 2024

Current data

k , b : 15 , 2
Type : 315
Count : 58
Nash : 2221
Max n : 7,000,000
Date : 2024-09-02
1[1], 2[2], 4[3], 5, 10[4], 14[5], 17, 31[6], 41, 73, 80, 82, 116, 125, 145, 157, 172, 202, 224, 266, 289, 293, 463, 1004, 1246, 2066, 2431, 2705, 4622, 5270, 7613, 21727, 21962, 40742, 41054, 60622, 83263, 83669, 91457, 103940, 104177, 108124, 115327, 161453, 172714, 454681, 568780, 656264, 712294, 902474, 1084010, 1344313, 1837873, 2323205, 3668194, 6429089, 6993631, 9482269
Remarks :
The sequence A002237 in OEIS
See also Williams 15•16n-1

Notes

  1. ↑ Sophie Germain n=1, Twin n=1
  2. ↑ Twin n=2
  3. ↑ Sophie Germain n=4, Twin n=4
  4. ↑ Twin n=10
  5. ↑ Near Woodall 15•214-1
  6. ↑ Woodall, Woodall 30•230-1

History

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