List of champions for factoring Cunningham numbers:

Quadratic sieve method:
3138	C116	10,142+	A. K. Lenstra & M. Manasse & al. with many computers
3045	C111	2,484+	A. K. Lenstra & M. Manasse & al. with many computers


	First five holes in each table on March 12, 1991:

2,445-	c103	2,467-	c133	2,479-	c127	2,481-	c110	2,511-	c123
2,439+	c105	2,443+	c105	2,461+	c102	2,479+	c108	2,481+	c122
2,722M	c103	2,802M	c104	2,814L	c109	2,830L	c99	2,830M	c100
2,428+	c114	2,460+	c106	2,488+	c145	2,508+	c112	2,524+	c119

3,227-	c98	3,257-	c118	3,305-	c97	3,311-	c114	3,313-	c113
3,263+	c105	3,269+	c123	3,277+	c128	3,278+	c107	3,283+	c114

5,169-	c105	5,187-	c106	5,229-	c129	5,233-	c148	5,241-	c117
5,167+	c104	5,187+	c105	5,188+	c96	5,191+	c114	5,193+	c124

6,151-	c105	6,163-	c124	6,173-	c119	6,179-	c115	6,187-	c107
6,164+	c125	6,169+	c101	6,172+	c99	6,176+	c125	6,178+	c137

7,163-	c101	7,167-	c111	7,169-	c132	7,173-	c146	7,187-	c121
7,163+	c117	7,164+	c136	7,169+	c128	7,172+	c114	7,173+	c123

10,151-	c113	10,157-	c132	10,163-	c163	10,167-	c142	10,169-	c152
10,149+	c123	10,151+	c112	10,158+	c153	10,163+	c139	10,166+	c164

11,131-	c134	11,145-	c113	11,151-	c139	11,159-	c96	11,167-	c128
11,127+	c120	11,131+	c129	11,139+	c114	11,140+	c98	11,142+	c141

12,137-	c123	12,139-	c119	12,149-	c156	12,151-	c162	12,155-	c92
12,118+	c110	12,127+	c99	12,131+	c136	12,136+	c104	12,137+	c93