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Record history of Cunningham Chain length 13
first member Digits When? Discoverer

1st kind
 
106680560818292299253267832484567360951928953599522278361651385665522443588804123392 • 61# - 1
107
20 Jan 2014
 Primecoin
130083778959343562529131897703476422909096253953040587242097712006102296570026924 • 59# - 1
102
6 Dec 2014
 Primecoin
19313073314471398368420651854042490322517950973521740350204774005412663648863502336 • 47# - 1
101
25 May 2014
 Primecoin
1753286498051 • 71# - 1
39
Dec 2005
 Augustin, NewPGen, OpenPFGW
1753286498051 • 71# - 1
39
Dec 2005
 Augustin, NewPGen, OpenPFGW

2nd kind
 
38249410745534076442242419351233801191635692835712219264661912943040353398995076864 • 47# + 1
101
12 May 2014
 Primecoin
33155807057790800775649341859694105808052724705909514418378338523752551896758685696 • 47# + 1
101
7 Jun 2014
 Primecoin
11638822566596139606401872081325022654536972306424433997070088503661612708248472832 • 47# + 1
100
16 May 2014
 Primecoin
10756750720700195380397697188448178460115725467111771468875842964723844354555016704 • 31# + 1
94
10 Sep 2013
 Primecoin
938719 • 67# + 56461354019071
31
May 2004
 Andersen, Primo