| 5492351 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 72 / 280 |
Estimated T-Level: 21.3 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-11-21 | Olivier Nerrand | 69CE3EC289DA3127 | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2000-08-17 | Stephen Wood | 69CE3EC289DA3127 | 3744570 | Linux 32-bit,Prime95,v18,(aka WU2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-30 | Daniil Tsarkov | 799A184FD801DE6C | 1 | 1026251 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-30 | CallieKong | CERT | Proof certified good | | 2025-03-30 | Daniil Tsarkov | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-03-26 | Daniil Tsarkov | F-ECM | Factor: 5332045664015772954350257 / ECM curve 34, B1=50000, B2=38914785, Edwards Sigma=1971817412360618 | | 2022-08-09 | Sid & Andy | NF-PM1 | B1=5000000, B2=6425733006 | | 2021-09-18 | SRBase | NF | no factor TF: 71-72 | | 2021-08-24 | SRBase | NF | no factor TF: 70-71 | | 2021-08-18 | SRBase | NF | no factor TF: 69-70 | | 2020-08-17 | TJAOI | NF | no factor TF: 68-69 | | 2020-06-07 | King | NF-PM1 | B1=1000000, B2=22500000 | | 2018-06-07 | ramgeis | NF | no factor TF: 67-68 | | 2016-07-10 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-26 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-11-20 | lycorn | NF | no factor TF: 64-65 | | 2014-11-20 | lycorn | NF | no factor TF: 63-64 | | 2009-05-03 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2008-10-30 | Jayson King | NF-PM1 | B1=70000, B2=1400000, E=6 | | 2000-08-17 | Stephen Wood | C-LL | 69CE3EC289DA3127 | | 1998-11-21 | -anonymous- | C-LL | 69CE3EC289DA3127 | | 1998-04-11 | -anonymous- | NF | no factor TF: 1-62 |
|
