These are the first 50 primes:
Rank # Number Digits
1 229 3
2 227 3
3 223 3
4 211 3
5 199 3
6 197 3
7 193 3
8 191 3
9 181 3
10 179 3
11 173 3
12 167 3
13 163 3
14 157 3
15 151 3
16 149 3
17 139 3
18 137 3
19 131 3
20 127 3
21 113 3
22 109 3
23 107 3
24 103 3
25 101 3
26 97 2
27 89 2
28 83 2
29 79 2
30 73 2
31 71 2
32 67 2
33 61 2
34 59 2
35 53 2
36 47 2
37 43 2
38 41 2
39 37 2
40 31 2
41 29 2
42 23 2
43 19 2
44 17 2
45 13 2
46 11 2
47 7 1
48 5 1
49 3 1
50 2 1
These were tested by Matt Stath in December 2014.
Go to The ECM Factoring Applet.
Uncheck "Automatic switch to SIQS."
Check "Verbose mode."
Check "Use Cunningham tables on server."
For "Number of digits in a group," type in 999.
Click "Change."
Type in a number like 241# (The 50th prime) or higher.

Back to Top Secret Top 50 Primes.