| 2021-01-31 | curtisc | CERT | PRP Certification Proof certified good |
| 2021-01-31 | ATH | C-PRP | M1971589/92352278034978094091344435793 : 4E334561C1A3392A PRP proof power = 7 PRP: Verified Proof certified good |
| 2021-01-30 | Sébastien BROUCKE | C-PRP | M1971589/92352278034978094091344435793 : 4E334561C1A3392A PRP: Verified PRP without proof (not generated) |
| 2021-01-28 | daveward2005 | F-ECM | Factor: 92352278034978094091344435793 / (ECM curve 3, B1=50000, B2=5000000, Sigma=7370450414202364) |
| 2018-11-26 | Joss | NF-PM1 | B1=1971589, B2=246448625, E=12 |
| 2018-09-18 | Joss | NF-PM1 | B1=1971589, B2=197158900, E=12 |
| 2018-06-15 | ramgeis | NF | no factor from 2^70 to 2^71 |
| 2018-04-07 | Yxinity | NF | no factor from 2^69 to 2^70 |
| 2018-04-07 | Yxinity | NF | no factor from 2^68 to 2^69 |
| 2018-04-07 | Yxinity | NF | no factor from 2^67 to 2^68 |
| 2018-04-07 | Yxinity | NF | no factor from 2^66 to 2^67 |
| 2018-03-05 | Joss | NF-PM1 | B1=1971589, B2=120000000, E=12 |
| 2018-02-14 | Joss | NF-PM1 | B1=1971589, B2=60000000, E=12 |
| 2018-01-22 | Joss | NF-PM1 | B1=1971589, B2=30000000, E=12 |
| 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 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^61 to 2^62 |
| 2015-09-09 | ramgeis | NF | no factor from 2^65 to 2^66 |
| 2015-06-28 | MadPoo | C-LL | 686597561EE8C671 |
| 2015-03-21 | lycorn | NF | no factor from 2^64 to 2^65 |
| 2015-03-21 | lycorn | NF | no factor from 2^63 to 2^64 |
| 2011-08-27 | GrunwalderGIMP | NF | no factor from 2^1 to 2^63 |
| 2011-03-18 | kurly | NF-PM1 | B1=1000000, B2=30000000, E=12 |
| 2009-12-31 | S485122 | NF | no factor from 2^60 to 2^61 |
