| 2018-02-26 | monst | F | Factor: 6442023054847210578353 / TF: 72-73* |
| 2016-08-20 | AirSquirrels | C-LL | 53BE967839E8D21B |
| 2016-02-23 | Mark Rose | NF | no factor from 2^59 to 2^64 |
| 2015-12-17 | Greg | C-LL | 53BE967839E8D21B |
| 2015-12-10 | AirSquirrels | NF | no factor from 2^71 to 2^72 |
| 2015-12-10 | AirSquirrels | NF | no factor from 2^70 to 2^71 |
| 2015-08-30 | Sid & Andy | NF | no factor from 2^69 to 2^70 |
| 2010-02-14 | Dan Scherer | C-LL | 6654D38C30C0E9CB |
| 2010-01-16 | Dan Scherer | NF-PM1 | B1=560000, B2=13860000 |
| 2008-05-10 | S00030 | NF | no factor from 2^68 to 2^69 |
| 2008-05-10 | S00030 | NF | no factor from 2^67 to 2^68 |
| 2008-05-10 | S00030 | NF | no factor from 2^66 to 2^67 |
| 2008-05-10 | S00030 | NF | no factor from 2^65 to 2^66 |
| 2008-05-10 | S00030 | NF | no factor from 2^64 to 2^65 |
| 2003-06-06 | Thomas Mullen | NF | no factor to 2^59 |
| 2002-03-16 | Jocelyn Larouche | NF | no factor to 2^57 |
