| 2024-07-12 | tim s | NF | no factor from 2^66 to 2^67 |
| 2023-02-13 | masser | NF-PP1 | Start=6/5, B1=30000000, B2=990000000 |
| 2023-02-05 | masser | NF-PP1 | Start=2/7, B1=30000000, B2=990000000 |
| 2023-02-05 | masser | NF-PP1 | Start=143/29, B1=30000000, B2=960000000 |
| 2022-11-07 | Rubiksmath | NF-PM1 | B1=1694200000, B2=69417351063060 |
| 2022-06-05 | Sid & Andy | NF-PM1 | B1=130000000, B2=5369058174480 |
| 2022-03-07 | LordJulius | NF | no factor from 2^54 to 2^55 |
| 2019-12-21 | Gordon Spence | NF | no factor from 2^65 to 2^66 |
| 2019-04-18 | alex | NF-PM1 | B1=100000000, B2=2000000000, E=12 |
| 2018-03-07 | Gordon Spence | NF | no factor from 2^64 to 2^65 |
| 2016-07-12 | Joss | NF-PM1 | B1=21543537, B2=861741480, E=12 |
| 2016-06-20 | Joss | NF-PM1 | B1=21543537, B2=430870740, E=12 |
| 2016-06-01 | MadPoo | C-LL | 3A820C908515F5E5 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^57 to 2^58 |
| 2016-01-10 | Gordon Spence | NF | no factor from 2^63 to 2^64 |
| 2016-01-10 | Gordon Spence | NF | no factor from 2^62 to 2^63 |
| 2016-01-03 | Joss | NF-PM1 | B1=21543537, B2=215435370, E=12 |
| 2015-07-14 | snme2pm1 | NF | no factor from 2^61 to 2^62 |
| 2013-10-20 | David Campeau | NF-PM1 | B1=2830000, B2=96220000, E=12 |
| 2013-07-18 | lycorn | NF | no factor from 2^60 to 2^61 |
| 2012-02-17 | Joss | NF-PM1 | B1=2755017 |
| 2011-07-24 | Joss | NF-PM1 | B1=2204013 |
| 2009-01-28 | Sturle Sunde | NF | no factor from 2^59 to 2^60 |
| 2009-01-01 | Sturle Sunde | NF | no factor from 2^58 to 2^59 |
