|
Rank
|
Probable prime
|
Digits (> 10000)
|
Who? |
When?
|
| 219 | (3^1353449-3^676725+1)/7 | 645759 | Serge Batalov | 03/2014 |
| 4671 | (3^272141-3^136071+1)/7 | 129844 | Serge Batalov | 03/2014 |
| 63228 | (3^71453-3^35727+1)/7 | 34091 | Lelio R Paula | 05/2008 |
| 153330 | (3^50993-3^25497+1)/7 | 24329 | Lelio R Paula | 11/2007 |
| 238423 | (3^28411-3^14206+1)/7 | 13555 | Lelio R Paula | 11/2007 |