| 2021-04-21 | sasaki | NF | no factor from 2^72 to 2^73 |
| 2020-09-01 | srow7 | NF | no factor from 2^71 to 2^72 |
| 2019-07-18 | E.Lechner | NF | no factor from 2^70 to 2^71 |
| 2017-12-04 | Conductor | NF | no factor from 2^69 to 2^70 |
| 2017-03-30 | sasaki | NF | no factor from 2^68 to 2^69 |
| 2016-07-11 | Conductor | NF | no factor from 2^67 to 2^68 |
| 2015-11-27 | ANONYMOUS | NF | no factor from 2^66 to 2^67 |
| 2011-10-23 | lalera | NF | no factor from 2^64 to 2^66 |
| 2010-07-19 | linded | NF | no factor from 2^63 to 2^64 |