| 2021-05-13 | Yves de Wandelaar | NF | no factor from 2^74 to 2^75 |
| 2021-05-13 | Yves de Wandelaar | NF | no factor from 2^73 to 2^74 |
| 2020-10-23 | SRBase | NF | no factor from 2^72 to 2^73 |
| 2016-10-07 | nate.anders | NF | no factor from 2^71 to 2^72 |
| 2016-10-06 | proxy2222 | NF | no factor from 2^70 to 2^71 |
| 2016-09-29 | workerthread | NF | no factor from 2^69 to 2^70 |
| 2016-05-02 | Derek | NF | no factor from 2^68 to 2^69 |
| 2016-03-13 | proxy2222 | NF | no factor from 2^67 to 2^68 |
| 2015-01-14 | Thomas Stork | NF | no factor from 2^66 to 2^67 |
| 2012-10-12 | Richard | NF | no factor from 2^65 to 2^66 |
| 2010-11-10 | Charles A. Morris | NF | no factor from 2^64 to 2^65 |
| 2010-05-31 | James Hintz | NF | no factor from 2^63 to 2^64 |
