| 3729673 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 209 / 280 |
Estimated T-Level: 23.7 ⓘ TF below 2^74 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1997-12-30 | Rick Adams | 83C2626AF0293CEB | 0 | Windows,Prime95,v15,(aka WR1) | | Factored | 1999-11-17 | Alain Jacques | 83C2626AF0293CEB | 3486510 | Linux 32-bit,Prime95,v18,(aka WU2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-11 | fordobr | 63236877F6050122 | 1 | 564973 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-11 | CPU - 2 - BTU | CERT | Proof certified good | | 2025-02-11 | fordobr | C-PRP | M3729673/61806109600224733170500639 : 63236877F6050122 Proof Certified Good
Proof Power: 7
| | 2025-02-11 | fordobr | F-ECM | Factor: 61806109600224733170500639 / ECM curve 20, B1=110099, B2=275660385, Edwards Sigma=7706381325781914 | | 2025-02-07 | TJAOI | NF | no factor TF: 70-71 | | 2023-05-23 | Sid & Andy | NF-PM1 | B1=7200000, B2=14697446610 | | 2023-02-07 | Joss | NF-PM1 | B1=1000000, B2=1313842530 | | 2022-10-30 | Joss | NF-PM1 | B1=1000000, B2=130364850 | | 2021-03-14 | axn | NF | no factor TF: 69-70 | | 2021-01-02 | Dylan Delgado | NF-PM1 | B1=1600000, B2=66000000 | | 2020-12-13 | axn | NF | no factor TF: 68-69 | | 2018-10-15 | TJAOI | NF | no factor TF: 67-68 | | 2016-11-03 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-25 | ramgeis | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-01-22 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-22 | VictordeHollander | NF | no factor TF: 63-64 | | 2013-02-06 | Squeeky_Squirrel | NF-PM1 | B1=235000, B2=5640000, E=12 | | 2012-04-20 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-05-04 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-07-06 | Carsten Kossendey | NF-PM1 | B1=20000, B2=265000 | | 2009-03-05 | S485122 | NF | no factor TF: 60-61 | | 1999-11-17 | -anonymous- | C-LL | 83C2626AF0293CEB | | 1997-12-30 | rick | C-LL | 83C2626AF0293CEB | | 1997-11-25 | -anonymous- | NF | no factor TF: 1-60 |
|
