| 3795977 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 69 / 640 |
Estimated T-Level: 25.5 ⓘ TF below 2^80 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Robert Friberg | FB9FF21927CD43EF | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-08-31 | Michael J. Kilfoyle | FB9FF21927CD43EF | 3465197 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-01 | fordobr | 9A31E134EA3D36D0 | 1 | 1820620 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-01 | KongoCache | CERT | Proof certified good | | 2025-03-01 | fordobr | C-PRP | M3795977/34745081993152513376361689 : 9A31E134EA3D36D0 Proof Certified Good
Proof Power: 7
| | 2025-03-01 | fordobr | F-ECM | Factor: 34745081993152513376361689 / ECM curve 47, B1=109625, B2=367552185, Edwards Sigma=882694075660590 | | 2024-07-22 | TJAOI | NF | no factor TF: 70-71 | | 2024-05-11 | Joss | NF-PM1 | B1=10000000, B2=14219805600 | | 2023-12-07 | Joss | NF-PM1 | B1=2334911, B2=2514892380 | | 2023-09-04 | Joss | NF-PM1 | B1=1000000, B2=1508917410 | | 2021-06-10 | axn | NF-PM1 | B1=14000000, B2=700000000 | | 2021-04-11 | axn | NF | no factor TF: 69-70 | | 2020-11-16 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-16 | TJAOI | NF | no factor TF: 67-68 | | 2016-11-13 | 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 | | 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 | | 2012-12-28 | Squeeky_Squirrel | NF-PM1 | B1=250000, B2=7750000, E=12 | | 2012-04-20 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-04-03 | markr | NF | no factor TF: 61-62 | | 2009-07-15 | Carsten Kossendey | NF-PM1 | B1=20000, B2=270000 | | 2009-02-28 | S485122 | NF | no factor TF: 60-61 | | 1999-08-31 | -anonymous- | C-LL | FB9FF21927CD43EF |
|
