| 7123733 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| 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 | 2001-02-25 | Werner Durandi/Reto Keiser | 8666062631EC2DD1 | 5631151 | Windows,Prime95,v20,(aka WW1) | | Factored | 2002-04-28 | chris clark | 8666062631EC2DD1 | 6300807 | Linux 32-bit,Prime95,v21,(aka WX2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-04-18 | trebor | 5F9AB7C88DD7F033 | 1 | 5246554 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-04-18 | oodaira | 5F9AB7C88DD7F033 | 1 | 6585363 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-04-18 | oodaira | C-PRP | M7123733/354127244000294892137 : 5F9AB7C88DD7F033 | | 2020-04-18 | trebor | C-PRP | M7123733/354127244000294892137 : 5F9AB7C88DD7F033 | | 2020-04-17 | TJAOI | F | Factor: 354127244000294892137 / TF: 68-69 | | 2018-07-24 | ramgeis | NF | no factor TF: 67-68 | | 2016-10-22 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-06-21 | VictordeHollander | NF | no factor TF: 65-66 | | 2014-08-19 | Nesowa | NF-PM1 | B1=445000, B2=11792500, E=12 | | 2014-02-08 | lycorn | NF | no factor TF: 64-65 | | 2014-02-02 | Nesowa | NF | no factor TF: 63-64 | | 2002-04-28 | -anonymous- | C-LL | 8666062631EC2DD1 | | 2001-02-25 | -anonymous- | C-LL | 8666062631EC2DD1 | | 2001-02-11 | -anonymous- | NF-PM1 | B1=80000, B2=1000000 | | 1999-09-30 | RonnyKarl | C-LL | E7D56C4A279261__ | | 1999-06-15 | RonnyKarl | C-LL | E7D56C4A279261__ | | 1999-01-29 | -anonymous- | NF | no factor TF: 1-62 | | 1999-01-17 | -anonymous- | NF | no factor TF: 1-62 | | 1999-01-10 | -anonymous- | NF | no factor TF: 1-62 | | 1998-09-20 | -anonymous- | NF | no factor TF: 1-62 | | 1998-06-01 | -anonymous- | NF | no factor TF: 1-61 |
|
