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Record history of Cunningham Chain length 14
first member Digits When? Discoverer

1st kind
 
14340319624001770765457042636973902777444526766562062468716553623575545716736 • 59# + 1
98
20 Nov 2018
 Primecoin
347622072041723844162287184183914184860957936041436689230785415185462392681984 • 53# + 1
98
24 Sep 2018
 Primecoin
191342609850856879957449499895670283640890480214837046901752486942672919132160 • 53# + 1
97
24 Jun 2018
 Primecoin
375600639756044302521177112633712630358343679
45
1 Jan 2016
 Balyakin
375909280513363529110209241634364666485759
42
17 Dec 2015
 Balyakin
54707581348351254546236409950857289303459
41
25 Apr 2014
 Wroblewski
9510321949318457733566099
25
Jun 2014
 Andersen, Primo
385931755250345784479
21
1997
 Tony Forbes, 1st known.

2nd kind
 
5819411283298069803200936040662511327268486153212216998535044251830806354124236416 • 47# + 1
100
16 May 2014
 Primecoin
3146591441955217642366698240919518681196313035455968063191643605670902480355328 • 53# + 1
99
10 Jun 2018
 Primecoin
1585753053589282551631841398385658077743119695490328251925552789038464584491008 • 53# + 1
98
29 Sep 2018
 Primecoin
2 • 27353790674175627273118204975428644651729 + 1
41
25 Apr 2014
 Wroblewski
335898524600734221050749906451371
33
Aug 2008
 Andersen, Primo
2 • 28320350134887132315879689643841 - 1
32
17 Jun 008
 Wroblewskio
2354904873485081880414653783011
31
14 Jun 008
 Wroblewskio
2337673907855670908145009878491
31
6 Jun 008
 Andersen, Primo
20299226100350079536373721
26
May 008
 Wroblewski