| 3626897 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 258 / 280 |
Estimated T-Level: 24.6 ⓘ TF below 2^77 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Robert Clark | 3D64D89D328497F6 | 0 | Windows,Prime95,v14,NT service,(aka WQ5) | | Factored | 1999-10-21 | Nicolau C. Saldanha | 3D64D89D328497F6 | 1164158 | Linux 32-bit,Prime95,v18,(aka WU2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-31 | fordobr | D3C9DA85A14B4EDF | 2 | 2064095 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-31 | garo | CERT | Proof certified good | | 2025-01-31 | fordobr | C-PRP | M3626897/423025767805376197594681/27211465326148490619671090837601223 : D3C9DA85A14B4EDF Proof Certified Good
Proof Power: 7
| | 2025-01-31 | fordobr | F-ECM | Factors: 423025767805376197594681,27211465326148490619671090837601223 / ECM curve 28, B1=114469, B2=275660385, Edwards Sigma=5924993112300879 | | 2024-03-10 | Joss | NF-PM1 | B1=23778560, B2=95608042530 | | 2022-01-30 | Gordon Spence | NF | no factor TF: 69-70 | | 2020-10-22 | axn | NF | no factor TF: 68-69 | | 2020-08-12 | axn | NF-PM1 | B1=30000000, B2=1000000000 | | 2020-06-29 | axn | NF-PM1 | B1=30000000, B2=600000000 | | 2018-10-08 | TJAOI | NF | no factor TF: 67-68 | | 2017-05-30 | Joss | NF-PM1 | B1=350000, B2=3500000, E=6 | | 2016-12-23 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-11-05 | Squeeky_Squirrel | NF-PM1 | B1=175000, B2=4768750, E=6 | | 2015-10-18 | ramgeis | NF | no factor TF: 65-66 | | 2015-01-22 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-22 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-06-05 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2012-01-18 | Squeeky_Squirrel | NF-PM1 | B1=90000, B2=1620000, E=6 | | 2011-05-25 | markr | NF | no factor TF: 1-62 | | 2009-07-06 | Carsten Kossendey | NF-PM1 | B1=20000, B2=245000 | | 2009-03-11 | S485122 | NF | no factor TF: 60-61 | | 1999-10-21 | -anonymous- | C-LL | 3D64D89D328497F6 |
|
