| 2021-05-11 | Bernhard Helmes | C-LL | C7191F63EE2C29B4 |
| 2019-02-03 | TheJudger | NF | no factor from 2^73 to 2^74 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^58 to 2^63 |
| 2016-01-08 | -Anonymous- | NF | no factor from 2^72 to 2^73 |
| 2015-11-25 | Mark Rose | NF | no factor from 2^71 to 2^72 |
| 2011-12-19 | curtisc | C-LL | C7191F63EE2C29B4 |
| 2011-11-18 | curtisc | NF-PM1 | B1=775000 |
| 2011-08-21 | -Anonymous- | NF | no factor from 2^70 to 2^71 |
| 2011-06-08 | The Magic Forest | NF | no factor from 2^69 to 2^70 |
| 2011-04-16 | dsl | NF | no factor from 2^68 to 2^69 |
| 2009-11-20 | PrimeCruncher | NF | no factor from 2^67 to 2^68 |
| 2008-07-13 | Sturle Sunde | NF | no factor from 2^66 to 2^67 |
| 2008-07-12 | Sturle Sunde | NF | no factor from 2^65 to 2^66 |
| 2008-07-11 | Sturle Sunde | NF | no factor from 2^64 to 2^65 |
| 2008-07-11 | Sturle Sunde | NF | no factor from 2^63 to 2^64 |
| 2002-09-22 | -Anonymous- | NF | no factor to 2^58 |
| 2001-09-22 | -Anonymous- | NF | no factor to 2^57 |
| 2000-06-11 | -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 |
| 1999-12-15 | -Anonymous- | NF | no factor to 2^53 |