| 5467907 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 18 / 280 |
Estimated T-Level: 20.3 ⓘ TF below 2^63 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-05-16 | John Baschab | B5BEEA045E8F5ACB | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2004-07-02 | Jose Manuel Garcia | B5BEEA045E8F5ACB | 2045457 | Windows,Prime95,v20,NT service,(aka WW5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-25 | Sly_007 | C9DBD51A6037A307 | 1 | 5360580 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-25 | almitydave | CERT | Proof certified good | | 2025-03-25 | Sly_007 | C-PRP | M5467907/53614159751512514195609 : C9DBD51A6037A307 Proof Certified Good Proof Power: 7
| | 2025-03-20 | fordobr | F-ECM | Factor: 53614159751512514195609 / ECM curve 5, B1=50000, B2=64857975, Edwards Sigma=1828136775659485 | | 2021-10-28 | axn | NF-PM1 | B1=8000000, B2=400000000 | | 2021-09-18 | SRBase | NF | no factor TF: 71-72 | | 2021-08-23 | SRBase | NF | no factor TF: 70-71 | | 2021-08-18 | SRBase | NF | no factor TF: 69-70 | | 2020-09-07 | TJAOI | NF | no factor TF: 68-69 | | 2019-09-13 | USAFSS | NF-PM1 | B1=330000, B2=9817500 | | 2018-06-29 | ramgeis | NF | no factor TF: 67-68 | | 2016-07-02 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-24 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-30 | monst | NF | no factor TF: 64-65 | | 2014-12-30 | snme2pm1 | NF | no factor TF: 63-64 | | 2010-05-18 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=1035000, E=6 | | 2009-05-05 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2004-07-02 | JMGarcia | NF-PM1 | B1=20000, B2=150000 | | 2004-07-02 | JMGarcia | C-LL | B5BEEA045E8F5ACB | | 2000-08-17 | JMGarcia | C-LL | B5BEEA045E8F5ACB | | 2000-07-03 | JMGarcia | NF-PM1 | B1=20000, B2=150000 | | 1999-05-16 | -anonymous- | C-LL | B5BEEA045E8F5ACB | | 1998-10-18 | -anonymous- | C-LL | B5BEEA045E8F5ACB | | 1998-05-16 | slaur | NF | no factor TF: 1-62 | | 1998-03-31 | -anonymous- | NF | no factor TF: 1-61 |
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