Difference between revisions of "Cullen prime 47"

Latest revision as of 05:25, 11 April 2025

Reserved! This sequence is currently reserved by: PrimeGrid

ASCII format :	n*47^n+1
Base :	47
Count :	0
Max `n` :	4,257,116
Date :	2025-03-24
Reserved :	PrimeGridPrimeGrid/Reserved

Remarks :

Base is part of Multi Reservation:17 for the PrimeGrid Generalized Cullen Prime Search.
Tests are handed out by size so the n-value from the multi-reservation is adjusted accordingly.

2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
2016-10-21: Reserved by PrimeGrid Generalized Cullen Prime Search
?: Checked n = 1 - 1000000, PrimeGrid Generalized Cullen Prime Search, double-check n = 1 - 171707, see PRPnet Maxn completed
2010: Checked n = 52493 - 171707, Günter Löh
2000-12: Checked n = 11217 - 52493, Günter Löh
1999-12: Checked n = 1 - 11217, Wilfrid Keller, double-check n = 1 - 2793
1989: Checked n = 1 - 2793, Harvey Dubner

@@ Line 12: / Line 12: @@
 {{HistR|2016-10-21|PrimeGrid Generalized Cullen Prime Search|P#7073}}
 {{HistC|?|1-1000000|PrimeGrid Generalized Cullen Prime Search}}, double-check {{Rn|1|171707}}, see PRPnet [https://www.primegrid.com/forum_thread.php?id=7415#107440 Max{{Vn}} completed]
-{{HistC|2010|11217-171707|Günter Löh}}
+{{HistC|2010|52493-171707|Günter Löh}}
-{{HistC|2000|2793-11217|Wilfrid Keller}}
+{{HistC|2000-12|11217-52493|Günter Löh}}
+{{HistC|1999-12|1-11217|Wilfrid Keller}}, double-check {{Rn|1|2793}}
 {{HistC|1989|1-2793|Harvey Dubner}}
 [[Category:PrimeGrid Generalized Cullen Prime Search]]