Difference between revisions of "Williams prime MP 27"

Revision as of 09:10, 15 September 2024

Reserved! This sequence is currently reserved by: Mark Rodenkirch

Base :	27
Count :	1
Max n :	333,333
Date :	2024-08-19
Reserved :	Mark RodenkirchMark Rodenkirch/Reserved

4, 5, 167, 408, 416, 701, 707, 1811, 3268, 3508, 7020, 7623, 16449, 35920, 55161, 77645, 87172, 129328, 134853, 217643, 478625

Remarks :

Do not add primes here. Only add primes 3*n to Proth 26•3ⁿ+1.
For additional history, see above Proth sequence.

2024-08-19: Reserved by Mark Rodenkirch for n = 2 - 100000, double-check
2021-03-07: Checked n = 300000 - 333333, Paul Vanderveen, from Proth 26•3ⁿ+1
2020-05-24: Checked n = 25000 - 110000, Paul Vanderveen
2020-05-18: Reserved by Paul Vanderveen
2018-03-17: Checked n = 1 - 25000, Eric Chen
2016: Checked n = 1 - 1000, Mauro Fiorentini

@@ Line 1: / Line 1: @@
 {{Williams prime
 |WiBase=27
-|WiMaxn={{#expr:floor({{GP|Proth prime 3 26|PMaxn}}/3)}}
+|WiMaxn=333333
-|WiDate={{GP|Proth prime 3 26|PDate}}
+|WiDate=2024-08-19
-|WiReserved={{GP|Proth prime 3 26|PReserved}}
+|WiReserved=Mark Rodenkirch
 |WiNlist={{Reuse Primelist|Proth prime 3 26|PNlist|3}}
-|WiRemarks={{C|red|<b>!!!DO NOT RESERVE!!!</b>}} This list is a reuse of {{NPr|26|3|n}}.
+|WiRemarks={{C|red|<b>Do not add primes here.</b>}} Only add primes 3*{{Vn}} to {{NPr|26|3|n}}.<br>For additional history, see above Proth sequence.
 }}
 ==History==
+{{HistR|2024-08-19|Mark Rodenkirch|901032}} for {{Rn|2|100000}}, double-check
+{{HistC|2021-03-07|300000-333333|Paul Vanderveen}}, from {{NPr|26|3|n}}
 {{HistC|2020-05-24|25000-110000|Paul Vanderveen}}
 {{HistR|2020-05-18|Paul Vanderveen}}
 {{HistC|2018-03-17|1-25000|Eric Chen|482586}}
 {{HistC|2016|1-1000|Mauro Fiorentini}}