| 7104179 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| P-1 factors | |
| 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 | 1999-04-13 | Alan Vidmar | 9EFE20B7CF8B4CA5 | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2001-11-24 | Brian Meadors | 9EFE20B7CF8B4CA5 | 3528926 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2020-05-02 | Oliver Kruse | D732EFB57B23EED7 | 1 | 5803702 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-05-02 | ATH | D732EFB57B23EED7 | 1 | 3055397 | 5 | 3 | | Verified | Certified Good | 2025-02-07 | Perig | D732EFB57B23EED7 | 2 | 582255 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-07 | JulianGeorgeShaw | CERT | Proof certified good | | 2025-02-07 | Perig | C-PRP | M7104179/557646102579949522481/1259310130676804321696599633 : D732EFB57B23EED7 Proof Certified Good
Proof Power: 8
| | 2025-02-02 | Stef42 | F-PM1 | Factor: 1259310130676804321696599633 / B1=860000, B2=4481531670 | | 2020-05-02 | ATH | C-PRP | M7104179/557646102579949522481 : D732EFB57B23EED7 | | 2020-05-02 | Oliver Kruse | C-PRP | M7104179/557646102579949522481 : D732EFB57B23EED7 | | 2020-05-01 | TJAOI | F | Factor: 557646102579949522481 / TF: 68-69 | | 2018-07-23 | ramgeis | NF | no factor TF: 67-68 | | 2016-10-20 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-21 | VictordeHollander | NF | no factor TF: 65-66 | | 2014-02-08 | lycorn | NF | no factor TF: 64-65 | | 2014-02-02 | Nesowa | NF | no factor TF: 63-64 | | 2011-12-19 | James Heinrich | NF-PM1 | B1=135000, B2=2902500, E=6 | | 2001-11-24 | -anonymous- | C-LL | 9EFE20B7CF8B4CA5 | | 2001-11-03 | -anonymous- | NF | no factor TF: 1-63 | | 2001-11-03 | -anonymous- | NF-PM1 | B1=35000, B2=472500 | | 1999-04-13 | vidmar | C-LL | 9EFE20B7CF8B4CA5 | | 1998-06-07 | slaur | NF | no factor TF: 1-62 |
|
