| 3784357 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 218 / 280 |
Estimated T-Level: 23.9 ⓘ TF below 2^74 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Mark Juenemann | 864932166D18E909 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 2000-04-27 | Alexandr Fomin | 864932166D18E909 | 1927265 | Windows,Prime95,v19,NT service,(aka WV5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-22 | fordobr | 348E57DB020FF9CD | 1 | 3177043 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-22 | Laurent_Lampin | CERT | Proof certified good | | 2025-01-22 | fordobr | C-PRP | M3784357/3074255669730885693133049 : 348E57DB020FF9CD Proof Certified Good Proof Power: 7
| | 2025-01-22 | fordobr | F-ECM | Factor: 3074255669730885693133049 / ECM curve 27, B1=102546, B2=194584005, Edwards Sigma=2369377471807335 | | 2024-12-20 | TJAOI | NF | no factor TF: 70-71 | | 2023-02-09 | mikr | NF-PM1 | B1=8000000, B2=11215115142 | | 2022-10-26 | Joss | NF-PM1 | B1=1000000, B2=130364850 | | 2021-04-06 | axn | NF | no factor TF: 69-70 | | 2020-12-03 | axn | NF | no factor TF: 68-69 | | 2018-10-29 | TJAOI | NF | no factor TF: 67-68 | | 2016-11-13 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-04-07 | mikr | NF-PM1 | B1=1600000, B2=66000000, E=12 | | 2016-03-02 | 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 | | 2015-01-27 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-27 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-04-17 | Squeeky_Squirrel | NF-PM1 | B1=110000, B2=2062500, E=6 | | 2012-03-23 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-04-13 | markr | NF | no factor TF: 61-62 | | 2009-07-14 | Carsten Kossendey | NF-PM1 | B1=20000, B2=265000 | | 2009-02-28 | S485122 | NF | no factor TF: 60-61 | | 2000-04-27 | -anonymous- | C-LL | 864932166D18E909 |
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