Record history of Cunningham Chain length 3

first member Digits When? Discoverer

1st kind
 
1128330746865 ⋅ 266439 - 1
20013
17 Feb 2020
Paridon, NewPGen, OpenPFGW
1815615642825 ⋅ 244044 - 1
13271
11 Nov 2016
Angel, Augustin, NewPGen, OpenPFGW
778965587811 ⋅ 236625 - 1
11038
1 Sep 2016
Angel, Augustin, NewPGen, OpenPFGW
272879344275 ⋅ 236620 - 1
11036
30 Aug 2016
Angel, Augustin, NewPGen, OpenPFGW
333645655005 ⋅ 235547 - 1
10713
17 Mar 2015
Batalov, NewPGen, OpenPFGW
5110664609396115 ⋅ 234944 - 1
10535
Apr 2014
Gevay, Vatai, Farkas, Jarai, OpenPFGW
914546877 ⋅ 234772 - 1
10477
8 Jan 2010
Wu, sgsieve, LLR
379185609 ⋅ 227127 - 1
8175
Nov 2009
Wu, sgsieve, LLR
164210699973 ⋅ 226326 - 1
7937
Aug 2006
Paridon, NewPGen, OpenPFGW
3020255265 ⋅ 220023 - 1
6038
Apr 2005
Sun, NewPGen, OpenPFGW
2288999415 ⋅ 215937 - 1
4807
Jul 2004
Sun, NewPGen, OpenPFGW
5040102231 ⋅ 212301 - 1
3713
Sep 2002
Herranen, OpenPFGW
268382583 ⋅ 212294 - 1
3710
Jul 2002
Angel, Augustin, Jobling, NewPGen, OpenPFGW, Proth
1838313165 ⋅ 210219 - 1
3086
Sep 2001
Angel, Augustin, Jobling, NewPGen, PRP, Proth
1999446945 ⋅ 26626 - 1
2004
2000
Scott, Gallot
384205437 ⋅ 24000 - 1
1213
20 May 1998
Roonguthai, Proth
651358155 ⋅ 23291 - 1
1000
7 May 1998
Roonguthai, Proth 4.01

2nd kind
 
742478255901 ⋅ 240067 + 1
12074
9 Sep 2016
Angel, Augustin, NewPGen, OpenPFGW
996824343 ⋅ 240072 + 1
12072
2 Sep 2016
Angel, Augustin, NewPGen, OpenPFGW
49607430768 ⋅ 1111005 + 1
11470
3 Dec 2016
Ritschel, NewPGen, TOPS, LLR
9649755890145 ⋅ 233333 + 1
10048
18 Mar 2015
Batalov, NewPGen, OpenPFGW
15162914750865 ⋅ 233217 + 1
10013
18 Mar 2015
Batalov, NewPGen, OpenPFGW
2366867925 ⋅ 217206 + 1
5189
Oct 2004
Sun, NewPGen, OpenPFGW
1110159213 ⋅ 215164 + 1
4574
Oct 2002
Angel, Augustin, Jobling, NewPGen, PRP, Proth
1531785651 ⋅ 210107 + 1
3052
Aug 2001
Angel, Augustin, Jobling, NewPGen, PRP, Proth
1361835195 ⋅ 28191 + 1
2475
2000
Nikkel,St., Nikkel,T., Proth
1568753260 ⋅ 4673# + 1
2006
Jun 2000
Augustin, Jobling, NewPGen, OpenPFGW
734257203 ⋅ 25000 + 1
1515
1998
Roonguthai, Proth