|
History of Cunningham Chain length 6
|
| Initial prime number |
Digits |
When |
Discoverer |
| 1st kind |
| 2799873605326 • 2371# − 1 |
1016 |
25 Mar 2015 |
Serge Batalov, NewPGen, OpenPFGW |
| 37488065464 • 1483# − 1 |
633 |
Mar 2010 |
Dirk Augustin, NewPGen, OpenPFGW |
| 1882807711450 • 1327# − 1 |
578 |
21 Jul 2014 |
Serge Batalov, NewPGen, OpenPFGW |
| 33692909611 • 977# − 1 |
417 |
Oct 2004 |
Dirk Augustin, NewPGen, OpenPFGW |
| 716250935 • 491# − 1 |
213 |
Sep 2001 |
Dirk Augustin, NewPGen, OpenPFGW |
| 620060805 • 2252 − 1 |
85 |
26 Oct 1999 |
Dirk Augustin, Proth |
| 505054485 • 2154 − 1 |
56 |
19 Oct 1999 |
Dirk Augustin, Proth |
| 2nd kind |
| 37015322207094 • 2339# + 1 |
1001 |
28 Jan 2025 |
Serge Batalov, NewPGen, OpenPFGW |
| 52992297065385779421184 • 1531# + 1 |
668 |
15 May 2015 |
Andrey Balyakin |
| 480112483568 • 1511# + 1 |
650 |
10 Mar 2014 |
Oscar Östlin, NewPGen, OpenPFGW |
| 37783362904 • 1097# + 1 |
475 |
Jun 2006 |
Dirk Augustin, NewPGen, OpenPFGW |
| 703632724 • 787# + 94265010841 |
336 |
Sep 2004 |
Jens Kruse Andersen, Primo |
| 42693782492 • 739# + 1 |
318 |
Sep 2004 |
Dirk Augustin, NewPGen, OpenPFGW |
| 2197316072 • 647# + 105063678721 |
279 |
Sep 2004 |
Jens Kruse Andersen, Primo |
| 6302319587 • 509# + 1 |
222 |
Jan 2003 |
Gary Chaffey |
| 1056231420 • 479# + 1 |
208 |
Aug 2000 |
Dirk Augustin, NewPGen, OpenPFGW |
| 388562456 • 331# + 1 |
142 |
20 Jun 2000 |
Dirk Augustin, NewPGen, OpenPFGW |
| 2 • 305372608 • 271# + 1 |
120 |
3 Jun 2000 |
Dirk Augustin, NewPGen, OpenPFGW |
