| 7090613 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 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 | 1999-07-26 | Stephen Wood | 385843BCF8153DDA | 3993623 | Linux 32-bit,Prime95,v18,(aka WU2) | | Factored | 2001-11-10 | Marc Getty / Phil Fizur | 385843BCF8153DDA | 2344634 | Windows,Prime95,v20,NT service,(aka WW5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-02-09 | Oliver Kruse | 7DC1DAB82BD2BB64 | 1 | 5829129 | 5 | 3 | | Verified | PRP without proof (not generated) | 2019-03-13 | ATH | 7DC1DAB82BD2BB64 | 1 | 895894 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-01 | Stef42 | NF-PM1 | B1=1031000, B2=1848150150 | | 2019-03-13 | ATH | C-PRP | M7090613/73788858748680091871 : 7DC1DAB82BD2BB64 | | 2018-02-09 | Oliver Kruse | C-PRP | M7090613/73788858748680091871 : 7DC1DAB82BD2BB64 | | 2016-08-24 | kkmrkkblmbrbk | F | Factor: 73788858748680091871 / TF: 66-67 | | 2015-06-16 | VictordeHollander | NF | no factor TF: 65-66 | | 2014-02-09 | lycorn | NF | no factor TF: 64-65 | | 2014-02-06 | Nesowa | NF | no factor TF: 63-64 | | 2011-12-23 | bcp19 | NF-PM1 | B1=85000, B2=1551250, E=6 | | 2001-11-10 | -anonymous- | C-LL | 385843BCF8153DDA | | 2001-11-03 | -anonymous- | NF-PM1 | B1=35000, B2=498750 | | 2001-11-03 | -anonymous- | NF | no factor TF: 1-63 | | 1999-10-07 | -anonymous- | C-LL | 8F35C5DA485A2B__ | | 1999-07-26 | Stephen Wood | C-LL | 385843BCF8153DDA | | 1998-06-07 | -anonymous- | NF | no factor TF: 1-62 |
|