rank  prime 
digits  who  when  comment 
1  Phi(14943,  100) 
18688 
c47 
Mar 2014 
Unique, ECPP 
2  Phi(2949,  100000000) 
15713 
c47 
May 2013 
Unique, ECPP 
3  Phi(5015,  10000) 
14848 
c47 
Apr 2013 
Unique, ECPP 
4  Phi(13285,  10) 
10625 
c47 
Dec 2012 
Unique, ECPP 
5  Phi(427,  10^{28}) 
10081 
FE9 
May 2009 
Unique, ECPP 
6  Phi(5161,  100) 
9505 
c47 
Dec 2012 
Unique, ECPP 
7  Phi(6105,  1000) 
8641 
c47 
Jan 2010 
Unique, ECPP 
8  Phi(4667,  100) 
8593 
c47 
Dec 2009 
Unique, ECPP 
9  Phi(4029,  1000) 
7488 
c47 
Aug 2009 
Unique, ECPP 
10  Phi(9455,  10) 
7200 
c33 
Jul 2005 
Unique, ECPP 
11  Phi(1479,  100000000) 
7168 
c47 
Oct 2009 
Unique, ECPP 
12  Phi(2405,  10000) 
6912 
c47 
Apr 2009 
Unique, ECPP 
13  Phi(10887, 10) 
6841 
c33 
May 2005 
Unique, ECPP 
14  Phi(7357,  10) 
6301 
c33 
May 2004 
Unique, ECPP 
15  Phi(6437, 10) 
6240 
c47 
Nov 2008 
Unique, ECPP 
16  Phi(6685,  10) 
4560 
c8 
Mar 2003 
Unique, ECPP 
17  Phi(3273,  100) 
4361 
c8 
Apr 2003 
Unique, ECPP 
18  Phi(1087,  10000) 
4344 
c8 
Nov 2002 
Unique, ECPP 
19  Phi(483,  10^{16}) 
4224 
c8 
Dec 2002 
Unique, ECPP 
20  Phi(1959, 1000) 
3912 
c8 
Sep 2002 
Unique, ECPP 
