| 2021-04-21 | RichD0 | NF | no factor from 2^75 to 2^76 |
| 2021-04-21 | -Anonymous- | NF | no factor from 2^74 to 2^75 |
| 2020-08-25 | storm5510 | NF | no factor from 2^73 to 2^74 |
| 2020-03-18 | Eratosthenes | NF | no factor from 2^72 to 2^73 |
| 2013-10-09 | processinfo | NF | no factor from 2^71 to 2^72 |
| 2013-10-09 | processinfo | NF | no factor from 2^70 to 2^71 |
| 2013-10-09 | processinfo | NF | no factor from 2^69 to 2^70 |
| 2013-10-09 | processinfo | NF | no factor from 2^68 to 2^69 |
| 2013-10-09 | processinfo | NF | no factor from 2^66 to 2^68 |
| 2012-05-25 | omiXorp | NF | no factor from 2^65 to 2^66 |
| 2010-09-14 | sasaki3 | NF | no factor from 2^64 to 2^65 |
| 2010-04-29 | Dalos Lee | NF | no factor from 2^63 to 2^64 |