| 2016-02-23 | Mark Rose | NF | no factor from 2^61 to 2^63 |
| 2015-11-04 | Bruno Victal | C-LL | E15320052638963D |
| 2015-11-04 | cuBerBruce | C-LL | E15320052638963D |
| 2015-06-22 | Bruno Victal | C-LL | E15320052638963D |
| 2015-06-05 | Bruno Victal | NF | no factor from 2^74 to 2^75 |
| 2014-12-21 | Jerry Hallett | NF | no factor from 2^73 to 2^74 |
| 2012-11-03 | owftheevil | NF-PM1 | B1=550000, B2=11275000, E=12 |
| 2012-10-01 | Kyle Askine | NF | no factor from 2^72 to 2^73 |
| 2012-07-22 | Xyzzy | NF | no factor from 2^71 to 2^72 |
| 2011-10-05 | GunnarLu | NF | no factor from 2^70 to 2^71 |
| 2011-07-02 | NoWhereMan | NF | no factor from 2^69 to 2^70 |
| 2011-05-02 | Avernon | NF | no factor from 2^68 to 2^69 |
| 2009-06-11 | -Anonymous- | NF | no factor from 2^67 to 2^68 |
| 2008-11-13 | werdwerdus | NF | no factor from 2^66 to 2^67 |
| 2008-11-08 | werdwerdus | NF | no factor from 2^65 to 2^66 |
| 2008-11-02 | werdwerdus | NF | no factor from 2^64 to 2^65 |
| 2008-10-31 | werdwerdus | NF | no factor from 2^63 to 2^64 |
| 2003-11-28 | -Anonymous- | NF | no factor to 2^61 |
| 2003-07-30 | -Anonymous- | NF | no factor to 2^59 |
| 2002-09-29 | -Anonymous- | NF | no factor to 2^58 |
| 2001-07-17 | -Anonymous- | NF | no factor to 2^57 |
| 2000-06-28 | -Anonymous- | NF | no factor to 2^56 |
| 2000-02-09 | -Anonymous- | NF | no factor to 2^54 |
| 1999-12-23 | -Anonymous- | NF | no factor to 2^53 |