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Difference between revisions of "Proth prime 7 4"
(remark) |
(check to n=300K & add history) |
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Line 4: | Line 4: | ||
|PCount=25 | |PCount=25 | ||
|PNash=3135 | |PNash=3135 | ||
− | |PMaxn= | + | |PMaxn=300000 |
− | |PDate= | + | |PDate=2024-09-16 |
|PReserved= | |PReserved= | ||
|PMultiRes= | |PMultiRes= | ||
Line 38: | Line 38: | ||
}} | }} | ||
==History== | ==History== | ||
+ | {{HistC|2024-09-16|1-300000|Gary Barnes|1053783}}, double-check {{Rn|1|41500}}, released | ||
+ | {{HistC|2020-07-21|1-41500|Paul Vanderveen}} | ||
{{HistF|2009-12-24|266782|Brian Lody}} | {{HistF|2009-12-24|266782|Brian Lody}} | ||
{{HistF|2009-12-22|254621|Brian Lody}} | {{HistF|2009-12-22|254621|Brian Lody}} | ||
{{HistF|2004-03-01|94133|Peter Benson}} | {{HistF|2004-03-01|94133|Peter Benson}} | ||
{{HistF|1998-11-18|16474|David W. Linton}} | {{HistF|1998-11-18|16474|David W. Linton}} |
Revision as of 12:27, 16 September 2024
Current data
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Remarks : |
sequence A204323 in OEIS For all even n-values 4•7n+1 is a Generalized Fermat number. |
History
- 2024-09-16: Checked n = 1 - 300000, Gary Barnes, double-check n = 1 - 41500, released
- 2020-07-21: Checked n = 1 - 41500, Paul Vanderveen
- 2009-12-24: Found n = 266782, Brian Lody
- 2009-12-22: Found n = 254621, Brian Lody
- 2004-03-01: Found n = 94133, Peter Benson
- 1998-11-18: Found n = 16474, David W. Linton