Difference between revisions of "Cullen prime 7"

Latest revision as of 05:11, 29 October 2024

34, 1980, 9898^[1], 474280

Remarks :

The sequence A242177 in OEIS

2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
2023-07-14: Checked n = 500000 - 2000000, Ryan Propper, released
2023-07-04: Reserved by Ryan Propper for n = 500000 - 2000000
2023-05-28: Checked n = 100000 - 500000, Mark Rodenkirch, double-check n = 100000 - 255681, released
2023-05-28: Found n = 474280, Mark Rodenkirch
2023-04-28: Reserved by Mark Rodenkirch to n = 500000
2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
2005: Checked n = 27927 - 255681, Günter Löh
2000: Checked n = 4415 - 27927, Wilfrid Keller
1998-11-13: Found n = 9898, Wilfrid Keller
1989: Checked n = 1 - 4415, Harvey Dubner
1989: Found n = 1980, Harvey Dubner

@@ Line 2: / Line 2: @@
 |CuBase=7
 |CuMaxn=2000000
-|CuDate=2023-07-14
+|CuDate=2024-10-25
 |CuReserved=
 |CuNlist=
@@ Line 9: / Line 9: @@
 ;19216;C:{{NPr|202|7|9900}}
-|CuRemarks=The {{OEIS|l|A242177}}<br>See additional history at [http://www.loeh.name/guenter/gc/ Generalized Cullen primes] & [http://prothsearch.com/GC-Discoverers.html Discoverers of Generalized Cullen primes].
+|CuRemarks=The {{OEIS|l|A242177}}
 }}
 ==History==
+{{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released
 {{HistC|2023-07-14|500000-2000000|Ryan Propper|858785}}, released
 {{HistR|2023-07-04|Ryan Propper|858168}} for {{Rn|500000|2000000}}