| 3759863 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 58 / 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 | | Sean Mathias | 706648890A620A63 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-11-17 | Jeff Rennert | 706648890A620A63 | 1698256 | Windows,Prime95,v17,NT service,(aka WT5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-12 | fordobr | 752A87A9B72BB70A | 1 | 531041 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-12 | Poao | CERT | Proof certified good | | 2025-02-12 | fordobr | C-PRP | M3759863/29508814239959712780180847 : 752A87A9B72BB70A Proof Certified Good
Proof Power: 7
| | 2025-02-12 | fordobr | F-ECM | Factor: 29508814239959712780180847 / ECM curve 40, B1=108172, B2=275660385, Edwards Sigma=8204096272609363 | | 2023-06-10 | Sid & Andy | NF-PM1 | B1=8500000, B2=14323628550 | | 2023-02-12 | Joss | NF-PM1 | B1=1000000, B2=458012100 | | 2022-11-03 | Joss | NF-PM1 | B1=1000000, B2=130364850 | | 2021-03-27 | axn | NF | no factor TF: 69-70 | | 2020-10-26 | TJAOI | NF | no factor TF: 68-69 | | 2019-02-08 | Yxinity | NF | no factor TF: 67-68 | | 2019-01-28 | TJAOI | NF | no factor TF: 67-68 | | 2016-11-07 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-28 | ramgeis | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-01-05 | mikr | NF-PM1 | B1=1600000, B2=66000000, E=12 | | 2015-01-25 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-25 | VictordeHollander | NF | no factor TF: 63-64 | | 2013-03-19 | Squeeky_Squirrel | NF-PM1 | B1=110000, B2=2035000, E=6 | | 2012-04-21 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-04-20 | markr | NF | no factor TF: 1-62 | | 2009-07-11 | Carsten Kossendey | NF-PM1 | B1=20000, B2=265000 | | 2009-03-03 | S485122 | NF | no factor TF: 60-61 | | 1999-11-17 | -anonymous- | C-LL | 706648890A620A63 |
|
