Record history of Cunningham Chain length 17

first member Digits When? Discoverer

1st kind
 
2759832934171386593519
22
27 May 2008
Wroblewski

2nd kind
 
1540797425367761006138858881
28
3 Apr 2014
Chermoni, Wroblewski
2 ⋅ 658189097608811942204322721 - 1
28
9 Mar 2014
Chermoni, Wroblewski
1284167734361435112645318721
28
3 Apr 2014
Chermoni, Wroblewski
465463467291895470464386321
27
8 Mar 2014
Chermoni, Wroblewski
1302312696655394336638441
25
10 Jun 2008
Wroblewski
127806074555607670094731
24
5 Jun 2008
Wroblewski
40244844789379926979141
23
5 Jun 2008
Wroblewski