| 7666069 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-08-22 | Manuel J. Galan | 156F323DCCABEA5F | 4809843 | Linux 32-bit,Prime95,v18,(aka WU2) | | Factored | 2002-05-05 | Bill Rozmiarek | 156F323DCCABEA5F | 6664261 | Linux 32-bit,Prime95,v21,(aka WX2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-05-26 | Klaus Nordmann | EB91B1B4886EB4D7 | 1 | 83372 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-27 | marssystems | EB91B1B4886EB4D7 | 1 | 4918157 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-05-27 | marssystems | C-PRP | M7666069/31853412287349037872076913 : EB91B1B4886EB4D7 | | 2020-05-26 | Klaus Nordmann | C-PRP | M7666069/31853412287349037872076913 : EB91B1B4886EB4D7 | | 2020-05-25 | GdS | F-PM1 | Factor: 31853412287349037872076913 / B1=1337698, B2=32104742 | | 2020-03-20 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-31 | ramgeis | NF | no factor TF: 67-68 | | 2016-09-19 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-12 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-12-07 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-11 | Nesowa | NF | no factor TF: 63-64 | | 2012-08-01 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2002-05-05 | -anonymous- | C-LL | 156F323DCCABEA5F | | 2002-03-24 | -anonymous- | NF-PM1 | B1=35000, B2=271250 | | 1999-08-22 | -anonymous- | C-LL | 156F323DCCABEA5F | | 1999-07-12 | -anonymous- | NF | no factor TF: 1-63 | | 1998-12-13 | -anonymous- | NF | no factor TF: 1-62 |
|
