| 2021-04-21 | Mark Rose | C-LL | B2AC5EA9F9B5A4E7 |
| 2019-03-23 | Chuck | NF | no factor from 2^73 to 2^74 |
| 2016-02-19 | -Anonymous- | NF | no factor from 2^72 to 2^73 |
| 2013-01-19 | -Anonymous- | C-LL | B2AC5EA9F9B5A4E7 |
| 2011-11-04 | kdgehman | NF-PM1 | B1=665000, B2=19950000, E=6 |
| 2011-11-01 | kdgehman | NF | no factor from 2^71 to 2^72 |
| 2011-10-10 | TheJudger | NF | no factor from 2^70 to 2^71 |
| 2011-04-06 | kdgehman | NF | no factor from 2^69 to 2^70 |
| 2011-04-06 | kdgehman | NF | no factor from 2^68 to 2^69 |
| 2009-05-24 | sannerud.com | NF | no factor from 2^67 to 2^68 |
| 2009-03-24 | RoaldS | NF | no factor from 2^66 to 2^67 |
| 2009-03-21 | RoaldS | NF | no factor from 2^65 to 2^66 |
| 2009-01-09 | -Anonymous- | NF | no factor from 2^64 to 2^65 |
| 2008-12-08 | 1997rj7 | NF | no factor to 2^64 |
| 2002-08-17 | -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 |
| 2000-03-01 | -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 |
