| 2021-09-28 | SRBase | NF | no factor from 2^71 to 2^72 |
| 2021-09-07 | SRBase | NF | no factor from 2^70 to 2^71 |
| 2021-08-09 | takahashi | NF | no factor from 2^69 to 2^70 |
| 2020-04-24 | TJAOI | NF | no factor from 2^68 to 2^69 |
| 2020-01-30 | takahashi | NF-PM1 | B1=600000, B2=12000000, E=12 |
| 2018-02-27 | -Anonymous- | NF | no factor from 2^67 to 2^68 |
| 2016-04-26 | Gordon Spence | NF | no factor from 2^66 to 2^67 |
| 2015-07-03 | VictordeHollander | NF | no factor from 2^65 to 2^66 |
| 2014-02-15 | lycorn | NF | no factor from 2^64 to 2^65 |
| 2014-02-09 | Nesowa | NF | no factor from 2^63 to 2^64 |
| 2011-11-30 | James Heinrich | NF-PM1 | B1=135000, B2=2835000, E=6 |
| 2005-08-16 | David Campeau | NF | no factor to 2^63 |
| 2002-03-03 | -Anonymous- | C-LL | A442780C51345A82 |
| 2002-02-17 | -Anonymous- | NF-PM1 | B1=30000, B2=157500 |
| 2001-09-16 | lettp | NF-PM1 | B1=35000, B2=341250 |
| 1999-09-07 | Paul Heuwinkel | C-LL | A442780C51345A82 |
| 1999-03-15 | -Anonymous- | C-LL | 6105F460D6FB9E7C |
| 1998-09-06 | Del Johnson | NF | no factor to 2^62 |
