| 2021-05-13 | AuspiciousLLama | C-LL | 35EAEFB7E0DC52B1 |
| 2019-02-03 | TheJudger | NF | no factor from 2^73 to 2^74 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^60 to 2^63 |
| 2012-12-08 | Frederick | C-LL | 35EAEFB7E0DC52B1 |
| 2012-08-15 | Amy Pond | NF | no factor from 2^72 to 2^73 |
| 2012-06-12 | pshaffer | NF-PM1 | B1=575000, B2=12506250, E=12 |
| 2012-06-05 | bcp19 | NF | no factor from 2^71 to 2^72 |
| 2011-06-17 | shauge | NF | no factor from 2^70 to 2^71 |
| 2011-06-17 | shauge | NF | no factor from 2^69 to 2^70 |
| 2011-04-26 | PrimeCruncher | NF | no factor from 2^68 to 2^69 |
| 2009-08-19 | MurrayInfoSys | NF | no factor from 2^67 to 2^68 |
| 2008-09-24 | Sturle Sunde | NF | no factor from 2^66 to 2^67 |
| 2008-09-23 | mognuts | NF | no factor from 2^65 to 2^66 |
| 2008-09-23 | mognuts | NF | no factor from 2^64 to 2^65 |
| 2008-09-22 | Tha | NF | no factor from 2^63 to 2^64 |
| 2003-08-25 | Team Prime Rib | NF | no factor to 2^60 |
| 2002-11-02 | -Anonymous- | NF | no factor to 2^58 |
| 2001-09-22 | -Anonymous- | NF | no factor to 2^57 |
| 2000-06-28 | -Anonymous- | NF | no factor to 2^56 |
| 2000-03-08 | -Anonymous- | NF | no factor to 2^54 |
| 1999-12-23 | -Anonymous- | NF | no factor to 2^53 |