| 2021-06-13 | Craig Chadwick Esq | C-LL | A3A5689DB1CD7A50 |
| 2020-11-07 | -Anonymous- | NF | no factor from 2^75 to 2^76 |
| 2020-10-17 | -Anonymous- | NF | no factor from 2^74 to 2^75 |
| 2018-11-26 | chuenkit | NF | no factor from 2^73 to 2^74 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^58 to 2^63 |
| 2014-02-26 | John Fitch | C-LL | A3A5689DB1CD7A50 |
| 2014-01-16 | kdgehman | NF | no factor from 2^72 to 2^73 |
| 2012-06-04 | Sebastian Hornbostel | NF-PM1 | B1=570000, B2=12255000, E=6 |
| 2011-11-25 | Xyzzy | NF | no factor from 2^71 to 2^72 |
| 2011-11-25 | Xyzzy | NF | no factor from 2^70 to 2^71 |
| 2011-11-25 | Xyzzy | NF | no factor from 2^69 to 2^70 |
| 2011-07-23 | Thure Duehrsen | NF | no factor from 2^68 to 2^69 |
| 2009-11-29 | michmichmich | NF | no factor from 2^67 to 2^68 |
| 2008-08-23 | Sturle Sunde | NF | no factor from 2^66 to 2^67 |
| 2008-08-17 | Sturle Sunde | NF | no factor from 2^65 to 2^66 |
| 2008-08-17 | Sturle Sunde | NF | no factor from 2^64 to 2^65 |
| 2008-08-16 | Sturle Sunde | NF | no factor from 2^63 to 2^64 |
| 2002-11-09 | -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 |