|
Rank
|
Probable prime
|
Digits (> 10000)
|
Who? |
When?
|
| 27 | 2^678561+678561 | 204268 | Henri Lifchitz | 05/2006 |
| 287 | 2^204129+204129 | 61449 | Henri Lifchitz | 04/2002 |
| 3264 | 2^88071+88071 | 26513 | Henri Lifchitz | 09/2001 |