| 5461457 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 53 / 280 |
Estimated T-Level: 20.9 ⓘ TF below 2^65 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-10-29 | knut ploder | 35433FFEFECEA016 | 0 | Windows,Prime95,v17,(aka WT1) | | Factored | 2001-04-15 | Marc Getty / Phil Fizur | 35433FFEFECEA016 | 4783632 | Windows,Prime95,v19,NT service,(aka WV5) | | Factored | 2015-05-03 | MadPoo 🙂 | 35433FFEFECEA016 | 4501222 | Windows 64-bit,Prime95,v26,(aka We4) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-26 | Perig | 5A3B0B98F810F070 | 1 | 326079 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-26 | Dr-Picsel Dois | CERT | Proof certified good | | 2025-03-26 | Perig | C-PRP | M5461457/664660120921009476805111 : 5A3B0B98F810F070 Proof Certified Good Proof Power: 7
| | 2025-03-18 | fordobr | F-ECM | Factor: 664660120921009476805111 / ECM curve 25, B1=50000, B2=45039225, Edwards Sigma=6536511439514021 | | 2022-07-16 | Sid & Andy | NF-PM1 | B1=5000000, B2=6418231050 | | 2021-09-25 | SRBase | NF | no factor TF: 71-72 | | 2021-08-23 | SRBase | NF | no factor TF: 70-71 | | 2021-08-19 | SRBase | NF | no factor TF: 69-70 | | 2020-09-14 | TJAOI | NF | no factor TF: 68-69 | | 2020-05-28 | King | NF-PM1 | B1=1000000, B2=22500000 | | 2018-06-29 | ramgeis | NF | no factor TF: 67-68 | | 2016-06-29 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-24 | snme2pm1 | NF | no factor TF: 65-66 | | 2015-05-03 | MadPoo 🙂 | C-LL | 35433FFEFECEA016 | | 2014-12-30 | monst | NF | no factor TF: 64-65 | | 2014-12-30 | snme2pm1 | NF | no factor TF: 63-64 | | 2009-05-07 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2004-03-08 | Sturle Sunde | NF-PM1 | B1=70000, B2=1330000, E=6 | | 2001-04-15 | -anonymous- | C-LL | 35433FFEFECEA016 | | 2000-01-19 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1999-11-04 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1999-10-29 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1999-05-30 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1999-05-02 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1999-04-23 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1999-04-23 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1999-04-23 | -anonymous- | C-LL | 35433FFEFECEA016 | | 1998-04-15 | -anonymous- | NF | no factor TF: 1-62 |
|