| 4190369 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 194 / 280 |
Estimated T-Level: 23.5 ⓘ TF below 2^73 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Ken Kriesel | 1F472810FB89F7D0 | 0 | Windows,Prime95,v14,NT service,(aka WQ5) | | Factored | 1998-09-20 | Robert Friberg | 1F472810FB89F7D0 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 2000-05-24 | Agnaldo dos Santos Pereira | 1F472810FB89F7D0 | 3567424 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-01 | fordobr | 4BBCA4FAC35B8BFA | 1 | 2116694 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-01 | Team_Schaub | CERT | Proof certified good | | 2025-03-01 | fordobr | C-PRP | M4190369/9524440373918407146673 : 4BBCA4FAC35B8BFA Proof Certified Good
Proof Power: 7
| | 2025-03-01 | fordobr | F-ECM | Factor: 9524440373918407146673 / ECM curve 33, B1=85019, B2=127129275, Edwards Sigma=8274869001679274 | | 2024-11-28 | Andrew B | NF | no factor TF: 71-72 | | 2022-12-12 | DRobinsonPE | NF-PM1 | B1=6200000, B2=33322740360 | | 2022-06-01 | mikr | NF | no factor TF: 70-71 | | 2021-06-15 | axn | NF | no factor TF: 69-70 | | 2021-06-07 | TJAOI | NF | no factor TF: 68-69 | | 2021-04-04 | Dylan Delgado | NF-PM1 | B1=400000, B2=12000000, E=12 | | 2018-12-07 | Yxinity | NF | no factor TF: 67-68 | | 2017-12-23 | Yxinity | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-06-06 | snme2pm1 | NF | no factor TF: 65-66 | | 2013-11-16 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-26 | Jayder | NF | no factor TF: 63-64 | | 2013-08-24 | Squeeky_Squirrel | NF-PM1 | B1=125000, B2=2406250, E=6 | | 2011-08-25 | USAFSS | NF-PM1 | B1=45000, B2=630000, E=6 | | 2011-07-01 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2010-12-16 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-08-03 | Carsten Kossendey | NF-PM1 | B1=25000, B2=337500 | | 2001-09-30 | David Campeau | NF | no factor TF: 1-61 | | 2000-05-24 | -anonymous- | C-LL | 1F472810FB89F7D0 | | 1998-09-20 | -anonymous- | C-LL | 1F472810FB89F7D0 | | 1998-06-20 | -anonymous- | NF | no factor TF: 1-60 |
|
