| 2021-05-11 | JirkaBo | C-LL | BD30507FB6238259 |
| 2019-02-03 | TheJudger | NF | no factor from 2^73 to 2^74 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^62 to 2^63 |
| 2016-01-05 | LaurV | NF | no factor from 2^72 to 2^73 |
| 2013-07-11 | curtisc | C-LL | BD30507FB6238259 |
| 2012-10-05 | Chuck | NF-PM1 | B1=570000, B2=12540000, E=12 |
| 2012-06-27 | Jerry Hallett | NF | no factor from 2^71 to 2^72 |
| 2011-11-10 | dmaine | NF | no factor from 2^70 to 2^71 |
| 2011-06-12 | Zet_kor | NF | no factor from 2^69 to 2^70 |
| 2011-04-22 | Zet_kor | NF | no factor from 2^68 to 2^69 |
| 2009-11-25 | Colin Rattray-Wood | NF | no factor from 2^67 to 2^68 |
| 2008-09-05 | James Heinrich | NF | no factor from 2^66 to 2^67 |
| 2008-09-04 | James Heinrich | NF | no factor from 2^65 to 2^66 |
| 2008-09-02 | Sturle Sunde | NF | no factor from 2^64 to 2^65 |
| 2008-08-30 | Sturle Sunde | NF | no factor from 2^63 to 2^64 |
| 2005-01-20 | ThomRuley | NF | no factor to 2^62 |
| 2002-11-24 | -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 |