| 2018-06-25 | Kriesel | NF | no factor from 2^69 to 2^70 |
| 2018-06-25 | Kriesel | NF | no factor from 2^68 to 2^69 |
| 2018-06-25 | Kriesel | NF | no factor from 2^67 to 2^68 |
| 2018-06-25 | Kriesel | NF | no factor from 2^66 to 2^67 |
| 2018-06-25 | Kriesel | NF | no factor from 2^65 to 2^66 |
| 2018-06-25 | Kriesel | NF | no factor from 2^64 to 2^65 |
| 2018-06-25 | Kriesel | NF | no factor from 2^63 to 2^64 |
| 2018-06-25 | Kriesel | NF | no factor from 2^62 to 2^63 |
| 2018-06-21 | M Graber | C-PRP | M2389403/7875472289/517377431591/3834172813345111114473793 : B636E9780686F776 |
| 2018-06-08 | alpertron | F-PM1 | Factor: 3834172813345111114473793 / (P-1, B1=2000000, B2=60000000, E=12) |
| 2017-11-25 | kkmrkkblmbrbk | C-PRP | M2389403/7875472289/517377431591 : B636E9780686F776 |
| 2017-10-13 | Oliver Kruse | C-PRP | M2389403/7875472289/517377431591 : B636E9780686F776 |
| 2008-07-14 | George Woltman | F-ECM | Factor: 517377431591 |
