|
Rank
|
Probable prime
|
Digits (> 10000)
|
Who? |
When?
|
| 2027 | (5^300893+4^300893)/9 | 210315 | Jean-Louis Charton | 11/2011 |
| 168590 | (5^29537+4^29537)/9 | 20645 | Richard Fischer | 05/2008 |
| 208299 | (5^25561+4^25561)/9 | 17866 | Richard Fischer | 05/2008 |