| 2015-11-21 | dbaugh | NF | no factor from 2^81 to 2^82 |
| 2013-08-14 | dbaugh | NF | no factor from 2^80 to 2^81 |
| 2013-03-05 | dbaugh | NF-PM1 | B1=465928740, B2=18171220860, E=12 |
| 2013-03-05 | dbaugh | NF | no factor from 2^79 to 2^80 |
| 2012-07-14 | dbaugh | NF-PM1 | B1=43000000, B2=4300000000, E=12 |
| 2012-07-14 | dbaugh | NF-PM1 | B1=11000000, B2=1100000000, E=12 |
| 2012-01-30 | dbaugh | NF | no factor from 2^78 to 2^79 |
| 2012-01-01 | dbaugh | NF | no factor from 2^77 to 2^78 |
| 2011-12-04 | dbaugh | NF | no factor from 2^76 to 2^77 |
| 2011-11-28 | dbaugh | NF | no factor from 2^75 to 2^76 |
| 2011-11-20 | dbaugh | NF | no factor from 2^74 to 2^75 |
| 2011-11-20 | dbaugh | NF | no factor from 2^73 to 2^74 |
| 2011-11-11 | dbaugh | NF | no factor from 2^72 to 2^73 |
| 2011-10-06 | dbaugh | NF | no factor from 2^71 to 2^72 |
| 2011-09-21 | dbaugh | NF | no factor from 2^70 to 2^71 |
| 2011-09-14 | dbaugh | NF | no factor from 2^69 to 2^70 |
| 2011-09-10 | dbaugh | NF | no factor from 2^68 to 2^69 |
| 2010-07-13 | Richard B. Woods | NF | no factor from 2^67 to 2^68 |
| 2010-06-12 | Richard B. Woods | NF | no factor from 2^66 to 2^67 |
| 2010-05-02 | Richard B. Woods | NF | no factor from 2^65 to 2^66 |
| 2010-04-14 | Richard B. Woods | NF | no factor from 2^64 to 2^65 |
| 2003-11-28 | -Anonymous- | C-LL | 91E505C25993CE87 |
| 2003-09-09 | -Anonymous- | NF-PM1 | B1=110000, B2=2172500 |
| 2003-06-17 | -Anonymous- | C-LL | 91E505C25993CE87 |
| 2003-05-11 | -Anonymous- | C-LL | 91E505C25993CE87 |
| 2003-02-09 | -Anonymous- | NF-PM1 | B1=45000, B2=618750 |
| 2003-02-09 | -Anonymous- | NF | no factor to 2^64 |
| 1999-01-29 | -Anonymous- | NF | no factor to 2^63 |
| 1999-01-17 | -Anonymous- | NF | no factor to 2^62 |