| 3762181 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 211 / 280 |
Estimated T-Level: 23.8 ⓘ TF below 2^74 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-05-23 | INTERSHOP Communications | 2D0BCD043496EBE7 | 0 | Windows,Prime95,v15,NT service,(aka WR5) | | Factored | 1999-09-22 | Grant Milne | 2D0BCD043496EBE7 | 1683197 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-28 | Andrey Dobrynin | 7900A158381554BD | 1 | 573429 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-28 | Yu Zhu | CERT | Proof certified good | | 2025-02-28 | Andrey Dobrynin | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-02-28 | Andrey Dobrynin | F-ECM | Factor: 766178762758532714893063 / ECM curve 20, B1=111135, B2=275660385, Edwards Sigma=1510934209724346 | | 2023-05-25 | Sid & Andy | NF-PM1 | B1=8500000, B2=14323628550 | | 2022-11-03 | Joss | NF-PM1 | B1=1000000, B2=1004312400 | | 2021-03-28 | axn | NF | no factor TF: 69-70 | | 2020-12-06 | axn | NF | no factor TF: 68-69 | | 2019-02-08 | Yxinity | NF | no factor TF: 67-68 | | 2019-01-28 | TJAOI | NF | no factor TF: 67-68 | | 2016-11-09 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-28 | ramgeis | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2016-01-11 | mikr | NF-PM1 | B1=1600000, B2=66000000, E=12 | | 2015-01-25 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-25 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-04-04 | Squeeky_Squirrel | NF-PM1 | B1=110000, B2=2035000, E=6 | | 2012-03-23 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-05-05 | markr | NF | no factor TF: 61-62 | | 2009-07-11 | Carsten Kossendey | NF-PM1 | B1=20000, B2=265000 | | 2009-03-03 | S485122 | NF | no factor TF: 60-61 | | 1999-09-22 | -anonymous- | C-LL | 2D0BCD043496EBE7 | | 1998-05-23 | netconx | C-LL | 2D0BCD043496EBE7 |
|
