List of champions for factoring Cunningham numbers:

Number field sieve:
3409	C158	2,523-	A. K. Lenstra & D. Bernstein with two MasPars
3071	C148	2,512+	A. K. Lenstra & M. Manasse with several computers
3370	C145	2,488+	A. K. Lenstra & D. Bernstein with a MasPar

Largest penultimate prime factor (ultimate factor shown also):
3409	p69*p90  2,523-    A. K. Lenstra & D. Bernstein with two MasPars
3338	p58*p76	 2,467-	   R. Silverman with several computers
3384	p57*p71	 2,479-	   R. Silverman with several computers

	First five holes in each table on November 30, 1992:

2,511-	c123	2,527-	c145	2,529-	c101	2,539-	c127	2,541-	c109
2,509+	c150	2,515+	c123	2,519+	c104	2,521+	c140	2,535+	c101
2,814L	c109	2,830L	c99	2,838L	c116	2,842L	c110	2,854L	c98
2,524+	c119	2,536+	c156	2,548+	c157	2,556+	c134	2,568+	c120

3,319-	c119	3,331-	c139	3,349-	c167	3,359-	c157	3,365-	c111
3,278+	c107	3,283+	c114	3,293+	c122	3,295+	c111	3,307+	c137

5,187-	c106	5,233-	c148	5,247-	c147	5,253-	c143	5,257-	c180
5,187+	c105	5,191+	c114	5,193+	c124	5,202+	c112	5,206+	c143

6,173-	c119	6,179-	c115	6,187-	c107	6,199-	c122	6,203-	c122
6,169+	c101	6,172+	c99	6,176+	c125	6,178+	c137	6,188+	c136

7,169-	c132	7,173-	c146	7,187-	c121	7,193-	c109	7,199-	c164
7,163+	c117	7,169+	c128	7,172+	c114	7,173+	c123	7,178+	c146

10,157-	c132	10,163-	c138	10,167-	c142	10,169-	c152	10,173-	c154
10,149+	c123	10,158+	c153	10,163+	c139	10,166+	c164	10,167+	c118

11,151-	c139	11,167-	c128	11,169-	c151	11,177-	c104	11,179-	c166
11,127+	c120	11,131+	c129	11,142+	c141	11,146+	c132	11,148+	c147

12,137-	c123	12,139-	c119	12,149-	c156	12,151-	c162	12,161-	c135
12,127+	c99	12,131+	c136	12,146+	c111	12,148+	c156	12,151+	c128

Here is the new				Here are the new `Wanted' lists:
list of smaller
but needed numbers:				Ten Most Wanted:

					1. 2,1024+ C291    6. 10,149+ C123
2,529-	c101				2.  5,256+ C134    7. 10,157- C132
2,519+	c104				3.  2,511- C123    8. 11,127+ C120
2,535+	c101				4.  2,509+ C150    9. 12,131+ C136
2,830L	c99				5.  3,319- C119   10.  7,169- C132
2,854L	c98
2,854M	c102				  Twenty-Four More Wanted:
2,874M	c102
5,187+	c105		2,527- C145     2,524+ C119     5,191+ C114     6,178+ C137
6,169+	c101*		2,515+ C123     3,278+ C107     5,193+ C124     7,173- C146
6,172+	c99*		2,521+ C140     3,283+ C114     6,173- C119     7,163+ C117
12,127+	c99*		2,814L C109     3,293+ C122     6,179- C115     7,169+ C128
			2,838L C116     3,295+ C111     6,187- C107    10,158+ C153
*Bob Silverman is	2,842L C110     5,187- C106     6,176+ C125    11,131+ C129
factoring these
three numbers now.