| 7665527 | 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 | 1999-09-22 | Mischa Kenn | 66CF8763F7A1098D | 5919341 | Windows,Prime95,v18,NT service,(aka WU5) | | Factored | 1999-10-07 | Zsolt FAZEKAS | 66CF8763F7A1098D | 1533667 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-05-25 | Klaus Nordmann | 011E96EDB7F14B5A | 1 | 2368132 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-27 | Luigi Morelli | 011E96EDB7F14B5A | 1 | 6509327 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-05-27 | Luigi Morelli | C-PRP | M7665527/574941375462658953869893897 : 011E96EDB7F14B5A | | 2020-05-25 | Klaus Nordmann | C-PRP | M7665527/574941375462658953869893897 : 011E96EDB7F14B5A | | 2020-05-25 | GdS | F-PM1 | Factor: 574941375462658953869893897 / 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 | | 2012-09-17 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2009-07-23 | Carsten Kossendey | NF-PM1 | B1=45000, B2=686250, E=6 | | 1999-10-07 | -anonymous- | C-LL | 66CF8763F7A1098D | | 1999-09-22 | Michael Kenn | C-LL | 66CF8763F7A1098D | | 1999-03-01 | -anonymous- | NF | no factor TF: 1-63 | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-62 |
|