| 2025-09-03 | Carlos Pinho | CERT | PRP Certification CERT proof power = 6 Proof certified good |
| 2025-09-02 | Kriesel | C-PRP | 3F51975D32B3D535 PRP proof power = 6 PRP: Verified (Factored) Proof certified good |
| 2024-01-22 | schweigmon | CERT | PRP Certification Proof certified good |
| 2024-01-22 | kurly | C-PRP | M1871249/1280623367563737825695461302641 : 3F51975D32B3D535 PRP proof power = 7 PRP: Verified Proof certified good |
| 2024-01-22 | kurly | F-PM1 | Factor: 1280623367563737825695461302641 / (P-1, B1=25000000, B2=69285472410) |
| 2023-06-11 | Joss | NF-PM1 | B1=1871249, B2=17472202020 |
| 2023-01-09 | Joss | NF-PM1 | B1=1871249, B2=1647325680 |
| 2022-10-30 | masser | NF-PP1 | Start=2/7, B1=800000, B2=25600000 |
| 2022-10-29 | masser | NF-PP1 | Start=6/5, B1=400000, B2=10800000 |
| 2022-10-27 | masser | NF-PP1 | Start=116/13, B1=200000, B2=4400000 |
| 2019-06-17 | TJAOI | NF | no factor from 2^67 to 2^68 |
| 2018-10-25 | Joss | NF-PM1 | B1=1871249, B2=205837390, E=12 |
| 2018-09-27 | Joss | NF-PM1 | B1=1871249, B2=187124900, E=12 |
| 2018-03-05 | TJAOI | NF | no factor from 2^66 to 2^67 |
| 2018-02-27 | Joss | NF-PM1 | B1=1871249, B2=111052800, E=12 |
| 2018-02-11 | Joss | NF-PM1 | B1=1871249, B2=55526400, E=12 |
| 2018-02-04 | Joss | NF-PM1 | B1=1871249, B2=27763200, E=12 |
| 2018-01-12 | Joss | NF-PM1 | B1=1871249, B2=13881600, E=12 |
| 2017-04-01 | Joss | NF-PM1 | B1=1388160, B2=13881600, E=12 |
| 2017-01-21 | Joss | NF-PM1 | B1=1156800 |
| 2017-01-03 | Joss | NF-PM1 | B1=864000 |
| 2016-12-20 | Joss | NF-PM1 | B1=720000 |
| 2016-10-26 | Joss | NF-PM1 | B1=600000 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^61 to 2^62 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^62 to 2^63 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^58 to 2^60 |
| 2015-10-07 | Bruno Victal | NF-PM1 | B1=500000, B2=15000000, E=12 |
| 2015-09-11 | ramgeis | NF | no factor from 2^65 to 2^66 |
| 2015-07-16 | MadPoo | C-LL | 6466DE326961FB25 |
| 2015-05-08 | snme2pm1 | NF | no factor from 2^64 to 2^65 |
| 2015-05-08 | snme2pm1 | NF | no factor from 2^63 to 2^64 |
| 2012-01-10 | markr | NF-PM1 | B1=275000, B2=6000000, E=12 |
| 2011-03-08 | GrunwalderGIMP | NF | no factor from 2^1 to 2^63 |
| 2010-04-10 | Architects Cubed | NF | no factor from 2^60 to 2^61 |
