| 4137113 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 91 / 280 |
Estimated T-Level: 21.6 ⓘ TF below 2^67 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Rob Harger | 6A9E749BFDA64CD7 | 0 | Linux 32-bit,Prime95,v14,(aka WQ2) | | Factored | 1998-03-17 | Thanos Mentzelopoulos | 6A9E749BFDA64CD7 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-11-04 | MechEngrGATech | 6A9E749BFDA64CD7 | 511917 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-12 | fordobr | 18341CF3FC482840 | 1 | 3946700 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-12 | BadWolve | CERT | Proof certified good | | 2025-01-12 | fordobr | C-PRP | M4137113/4622088624695852926433 : 18341CF3FC482840 Proof Certified Good
Proof Power: 7
| | 2025-01-12 | fordobr | F-ECM | Factor: 4622088624695852926433 / ECM curve 5, B1=79334, B2=127129275, Edwards Sigma=2036656172483926 | | 2022-05-02 | mikr | NF | no factor TF: 70-71 | | 2021-07-26 | axn | NF-PM1 | B1=13000000, B2=650000000 | | 2021-06-09 | axn | NF | no factor TF: 69-70 | | 2021-05-31 | TJAOI | NF | no factor TF: 68-69 | | 2020-11-26 | Carlos Pinho | NF-PM1 | B1=152000, B2=3987000 | | 2018-11-29 | Yxinity | NF | no factor TF: 67-68 | | 2017-12-14 | Yxinity | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-06-02 | snme2pm1 | NF | no factor TF: 65-66 | | 2013-11-05 | David Campeau | NF | no factor TF: 64-65 | | 2013-09-17 | Jayder | NF | no factor TF: 63-64 | | 2013-07-04 | Squeeky_Squirrel | NF-PM1 | B1=125000, B2=2343750, E=6 | | 2011-08-07 | USAFSS | NF-PM1 | B1=40000, B2=590000 | | 2011-07-01 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2010-12-17 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-07-30 | Carsten Kossendey | NF-PM1 | B1=25000, B2=325000 | | 2001-11-14 | David Campeau | NF | no factor TF: 1-61 | | 1999-11-04 | -anonymous- | C-LL | 6A9E749BFDA64CD7 | | 1998-03-23 | ANONYMOUS | NF | no factor TF: 1-60 | | 1998-03-17 | ANONYMOUS | NF | no factor TF: 1-60 | | 1998-03-17 | ANONYMOUS | C-LL | 6A9E749BFDA64CD7 | | 1998-03-17 | ANONYMOUS | NF | no factor TF: 1-60 |
|
