| 5162011 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 43 / 280 |
Estimated T-Level: 20.8 ⓘ TF below 2^64 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Rich Harms | CDB701B844C18745 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-11-17 | Wayne Beardsley | CDB701B844C18745 | 1750163 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-18 | Torchwood Institute | DF711894BCE219B6 | 1 | 1501391 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-18 | amirahmadi | CERT | Proof certified good | | 2025-01-18 | Torchwood Institute | C-PRP | M5162011/1313803302770026036351847 : DF711894BCE219B6 Proof Certified Good
Proof Power: 7
| | 2025-01-12 | fordobr | F-ECM | Factor: 1313803302770026036351847 / ECM curve 18, B1=50000, B2=60054225, Edwards Sigma=129156149553527 | | 2024-10-14 | Andrew B | NF | no factor TF: 71-72 | | 2022-07-16 | Sid & Andy | NF-PM1 | B1=4000000, B2=10285831710 | | 2022-01-24 | mikr | NF | no factor TF: 70-71 | | 2022-01-16 | Gordon Spence | NF | no factor TF: 69-70 | | 2020-11-23 | TJAOI | NF | no factor TF: 68-69 | | 2020-05-26 | King | NF-PM1 | B1=1000000, B2=22500000 | | 2018-06-20 | ramgeis | NF | no factor TF: 67-68 | | 2016-06-01 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-09 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-17 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-17 | VictordeHollander | NF | no factor TF: 63-64 | | 2009-06-24 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 1999-11-17 | Wayne Beardsley | C-LL | CDB701B844C18745 | | 1998-12-06 | -anonymous- | C-LL | 1BC1025A10AE97__ | | 1998-05-23 | MadPoo 🙂 | NF | no factor TF: 1-62 |
|
