|
History of Cunningham Chain length 12
|
| Initial prime number |
Digits |
When |
Discoverer |
| 1st kind |
| 288320466650346626888267818984974462085357412586437032687304004479168536445314040 • 83# − 1 |
113 |
23 May 2014 |
Primecoin |
| 61592551716229060392971860549140211602858978086524024531871935735163762961673908480 • 71# − 1 |
110 |
2 Nov 2013 |
Primecoin |
| 178811043947926524937518051044987491022433869417704220317907704222148116972528580 • 71# − 1 |
107 |
3 Feb 2014 |
Primecoin |
| 8428860 • 127# + 212148902055091 |
56 |
Feb 2006 |
Jens Kruse Andersen, Primo |
| 4431659 • 89# + 440181861259139 |
42 |
Feb 2006 |
Jens Kruse Andersen, Primo |
| 3506572996102 • 71# − 1 |
40 |
Dec 2005 |
Dirk Augustin, NewPGen, OpenPFGW |
| 1307465 • 79# + 11500298799989 |
37 |
May 2004 |
Torbjörn Alm, Jens Kruse Andersen, Primo |
| 2nd kind |
| 906644189971753846618980352 • 233# + 1 |
121 |
15 May 2015 |
Andrey Balyakin |
| 160433998429454286861864982184342218645773889300991352796925862298096263175269000 • 73# + 1 |
109 |
21 Dec 2013 |
Primecoin |
| 3018970250978499232353420274403370309649101023080062032175680183412679387197178760 • 71# + 1 |
109 |
25 Jan 2014 |
Primecoin |
| 27514366944545993668422567193822444315682837691915196563994783521784099031989503616 • 41# + 1 |
97 |
12 Oct 2013 |
Primecoin |
| 263663326886409378473341387047271336974122837948496277769621396327294641140893808 • 43# + 1 |
97 |
21 Jul 2013 |
Primecoin |
| 13931865163581 • 127# + 1 |
62 |
Dec 2008 |
Dirk Augustin, NewPGen, OpenPFGW |
