| 3461137 | 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 | 59 / 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 | | Martin Fahlgren | 10E2D0558C68EE26 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-07-27 | arnaud | 10E2D0558C68EE26 | 528870 | Windows,Prime95,v18,NT service,(aka WU5) | | Factored | 2006-04-14 | S452570 | 10E2D0558C68EE26 | 0 | Windows,Prime95,v14,(aka WQ1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-14 | Andrey Dobrynin | 45A981E2D866B96D | 1 | 3274554 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-14 | ANONYMOUS | CERT | Proof certified good | | 2025-02-14 | Andrey Dobrynin | C-PRP | Proof Certified Good Proof Power: 7
| | 2025-02-14 | Andrey Dobrynin | F-ECM | Factor: 693165095810690610260366657 / ECM curve 29, B1=129267, B2=275660385, Edwards Sigma=962156178993132 | | 2024-09-25 | Joss | NF-PM1 | B1=10000000, B2=15858092250 | | 2024-01-10 | Joss | NF-PM1 | B1=2422770, B2=5118553440 | | 2024-01-10 | Joss | NF-PM1 | B1=2422770, B2=2514892380 | | 2022-06-15 | TJAOI | NF | no factor TF: 69-70 | | 2021-03-05 | axn | NF-PM1 | B1=20000000, B2=1000000000 | | 2021-01-07 | axn | NF | no factor TF: 68-69 | | 2019-02-11 | TJAOI | NF | no factor TF: 67-68 | | 2017-02-08 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-04-18 | Gordon Spence | NF | no factor TF: 65-66 | | 2015-02-07 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-02-07 | VictordeHollander | NF | no factor TF: 63-64 | | 2014-09-22 | HBendtz | NF-PM1 | B1=500000, B2=10000000, E=12 | | 2014-08-21 | Joss | NF-PM1 | B1=78544 | | 2012-08-18 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-11-08 | USAFSS | NF-PM1 | B1=60000, B2=990000, E=6 | | 2011-07-30 | markr | NF | no factor TF: 61-62 | | 2009-07-06 | Carsten Kossendey | NF-PM1 | B1=20000, B2=235000 | | 2009-03-21 | S485122 | NF | no factor TF: 60-61 | | 2006-04-14 | -anonymous- | C-LL | 10E2D0558C68EE26 | | 2006-04-14 | -anonymous- | NF | no factor TF: 1-60 | | 1999-07-27 | arnaud | C-LL | 10E2D0558C68EE26 |
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