| 2021-06-09 | XZT | C-LL | 249F5364A4EB12E0 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^62 to 2^63 |
| 2015-03-18 | James D-P | C-LL | 249F5364A4EB12E0 |
| 2014-10-19 | LaurV | NF | no factor from 2^73 to 2^74 |
| 2014-03-04 | Jerry Hallett | NF | no factor from 2^72 to 2^73 |
| 2012-07-05 | aidnai | NF-PM1 | B1=570000, B2=12255000, E=6 |
| 2012-06-26 | Jerry Hallett | NF | no factor from 2^71 to 2^72 |
| 2011-09-20 | GrunwalderGIMP | NF | no factor from 2^70 to 2^71 |
| 2011-09-12 | eon_blue_apocalypse | NF | no factor from 2^69 to 2^70 |
| 2011-04-18 | chewy123 | NF | no factor from 2^68 to 2^69 |
| 2009-11-21 | unconnected | NF | no factor from 2^67 to 2^68 |
| 2008-08-27 | Sturle Sunde | NF | no factor from 2^66 to 2^67 |
| 2008-08-26 | Sturle Sunde | NF | no factor from 2^65 to 2^66 |
| 2008-08-26 | Sturle Sunde | NF | no factor from 2^64 to 2^65 |
| 2008-08-25 | Sturle Sunde | NF | no factor from 2^63 to 2^64 |
| 2005-01-20 | ThomRuley | NF | no factor to 2^62 |
| 2002-11-16 | -Anonymous- | NF | no factor to 2^58 |
| 2001-09-30 | -Anonymous- | NF | no factor to 2^57 |
| 2000-06-28 | -Anonymous- | NF | no factor to 2^56 |
| 2000-03-08 | -Anonymous- | NF | no factor to 2^54 |
| 2000-01-19 | -Anonymous- | NF | no factor to 2^53 |
| 1999-12-23 | -Anonymous- | NF | no factor to 2^53 |