| 5463019 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 77 / 280 |
Estimated T-Level: 21.4 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-09-06 | Ars Technica Team Prime Rib | 075DB8152B1746F7 | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-08-17 | Shel Michaels | 075DB8152B1746F7 | 3909673 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-29 | ANONYMOUS | 84DD28AD49F2A822 | 1 | 4925765 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-29 | numeroPrimo | CERT | Proof certified good | | 2025-03-29 | ANONYMOUS | C-PRP | M5463019/4954820351097598366391 : 84DD28AD49F2A822 Proof Certified Good
Proof Power: 7
| | 2025-03-19 | fordobr | F-ECM | Factor: 4954820351097598366391 / ECM curve 38, B1=50000, B2=45039225, Edwards Sigma=107342645503065 | | 2021-10-14 | axn | NF-PM1 | B1=8000000, B2=400000000 | | 2021-09-19 | SRBase | NF | no factor TF: 71-72 | | 2021-08-24 | SRBase | NF | no factor TF: 70-71 | | 2021-08-20 | SRBase | NF | no factor TF: 69-70 | | 2020-09-14 | TJAOI | NF | no factor TF: 68-69 | | 2019-09-10 | USAFSS | NF-PM1 | B1=330000, B2=9817500 | | 2018-06-29 | ramgeis | NF | no factor TF: 67-68 | | 2016-07-01 | 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 | | 2010-11-07 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=960000, E=6 | | 2009-05-07 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2000-08-17 | -anonymous- | C-LL | 075DB8152B1746F7 | | 2000-07-03 | -anonymous- | NF-PM1 | B1=25000, B2=225000 | | 1998-09-06 | -anonymous- | C-LL | 075DB8152B1746F7 | | 1998-06-20 | -anonymous- | NF | no factor TF: 1-62 | | 1998-06-14 | Mark D | NF | no factor TF: 1-61 |
|
