| 5492189 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 15 / 280 |
Estimated T-Level: 20.3 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-03-26 | Jussi Karvonen | 074380E323C3FBC6 | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2000-09-29 | Carl F. Letsche | 074380E323C3FBC6 | 319319 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-30 | Daniil Tsarkov | FCE23906D3A7E949 | 1 | 495368 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-30 | Fabrice Bellet | CERT | Proof certified good | | 2025-03-30 | Daniil Tsarkov | C-PRP | M5492189/5079658310436299644303097 : FCE23906D3A7E949 Proof Certified Good
Proof Power: 7
| | 2025-03-25 | Daniil Tsarkov | F-ECM | Factor: 5079658310436299644303097 / ECM curve 4, B1=50000, B2=29317860, Edwards Sigma=2015223910540912 | | 2021-11-14 | axn | NF-PM1 | B1=8000000, B2=400000000 | | 2021-09-18 | SRBase | NF | no factor TF: 71-72 | | 2021-09-06 | SRBase | NF | no factor TF: 70-71 | | 2021-08-22 | SRBase | NF | no factor TF: 69-70 | | 2020-08-17 | TJAOI | NF | no factor TF: 68-69 | | 2019-09-07 | GdS | NF-PM1 | B1=200000, B2=6000000 | | 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 | | 2010-04-27 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=1035000, E=6 | | 2009-05-03 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2000-09-29 | -anonymous- | C-LL | 074380E323C3FBC6 | | 2000-07-12 | -anonymous- | NF-PM1 | B1=20000, B2=20000 | | 1999-03-26 | -anonymous- | C-LL | 074380E323C3FBC6 | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-62 | | 1998-04-27 | -anonymous- | NF | no factor TF: 1-61 | | 1998-04-15 | -anonymous- | NF | no factor TF: 1-61 | | 1998-04-11 | -anonymous- | NF | no factor TF: 1-61 | | 1998-04-11 | Amperio | NF | no factor TF: 1-61 | | 1998-04-05 | -anonymous- | NF | no factor TF: 1-61 |
|
