| 3346663 | 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 | 68 / 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 | 1998-04-27 | Trent Taufer | 34D9221862CD1974 | 0 | Windows,Prime95,v15,(aka WR1) | | Factored | 1999-08-07 | larry esque | 34D9221862CD1974 | 37489 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-06 | fordobr | ED7E281FC71CC3A4 | 1 | 1995114 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-06 | feather | CERT | Proof certified good | | 2025-03-06 | fordobr | C-PRP | M3346663/6453237895537401769731067153 : ED7E281FC71CC3A4 Proof Certified Good
Proof Power: 7
| | 2025-03-06 | fordobr | F-ECM | Factor: 6453237895537401769731067153 / ECM curve 37, B1=130021, B2=275660385, Edwards Sigma=44716593351384 | | 2023-05-13 | Sid & Andy | NF-PM1 | B1=6200000, B2=22250037810 | | 2023-05-10 | Joss | NF-PM1 | B1=1000000, B2=962851890 | | 2022-08-01 | TJAOI | NF | no factor TF: 69-70 | | 2021-07-01 | TJAOI | NF | no factor TF: 68-69 | | 2020-08-29 | mikr | NF-PM1 | B1=4000000, B2=150000000 | | 2018-10-29 | TJAOI | NF | no factor TF: 67-68 | | 2017-03-03 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-03-03 | Yxinity | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-02-11 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-02-11 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-12-13 | Squeeky_Squirrel | NF-PM1 | B1=230000, B2=6670000, E=12 | | 2012-11-15 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-10-10 | USAFSS | NF-PM1 | B1=55000, B2=907500, E=6 | | 2011-08-24 | markr | NF | no factor TF: 61-62 | | 2009-07-05 | Carsten Kossendey | NF-PM1 | B1=15000, B2=206250 | | 2009-03-28 | S485122 | NF | no factor TF: 60-61 | | 1999-08-07 | -anonymous- | C-LL | 34D9221862CD1974 | | 1998-04-27 | Trent Taufer | C-LL | 34D9221862CD1974 | | 1998-03-17 | Trent Taufer | NF | no factor TF: 1-60 |
|
