| 3698671 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 266 / 280 |
Estimated T-Level: 24.8 ⓘ TF below 2^77 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-06-29 | Wayne Scott | 718B40B3EDBD265D | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 1999-09-22 | stanislaw rzymski | 718B40B3EDBD265D | 1718737 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-26 | fordobr | 18DAF5C68235A9E5 | 1 | 1017476 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-26 | Mxguy | CERT | Proof certified good | | 2025-03-26 | fordobr | C-PRP | M3698671/300175392562925372883161 : 18DAF5C68235A9E5 Proof Certified Good
Proof Power: 7
| | 2025-03-26 | fordobr | F-ECM | Factor: 300175392562925372883161 / ECM curve 26, B1=123447, B2=275660385, Edwards Sigma=2821290717647548 | | 2024-10-11 | TJAOI | NF | no factor TF: 70-71 | | 2024-08-27 | Joss | NF-PM1 | B1=10000000, B2=14686021350 | | 2023-12-27 | Joss | NF-PM1 | B1=2359291, B2=4778283510 | | 2023-09-01 | Joss | NF-PM1 | B1=1000000, B2=1257446190 | | 2020-12-08 | axn | NF-PM1 | B1=30000000, B2=600000000 | | 2020-11-04 | axn | NF | no factor TF: 69-70 | | 2020-11-04 | axn | NF | no factor TF: 68-69 | | 2018-06-18 | TJAOI | NF | no factor TF: 67-68 | | 2017-02-25 | Joss | NF-PM1 | B1=238464, B2=2384640, E=6 | | 2017-02-09 | Squeeky_Squirrel | NF-PM1 | B1=235000, B2=6932500, E=12 | | 2017-02-04 | Joss | NF-PM1 | B1=198720 | | 2017-01-29 | Joss | NF-PM1 | B1=165600 | | 2017-01-19 | Joss | NF-PM1 | B1=138000 | | 2017-01-05 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-10-21 | ramgeis | NF | no factor TF: 65-66 | | 2015-01-25 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-25 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-06-05 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2012-04-02 | Squeeky_Squirrel | NF-PM1 | B1=115000, B2=2328750, E=6 | | 2011-05-13 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-07-14 | Carsten Kossendey | NF-PM1 | B1=20000, B2=260000 | | 2009-03-07 | S485122 | NF | no factor TF: 60-61 | | 1999-09-22 | -anonymous- | C-LL | 718B40B3EDBD265D | | 1998-06-29 | -anonymous- | C-LL | 718B40B3EDBD265D | | 1998-06-07 | -anonymous- | NF | no factor TF: 1-60 |
|
