| 2685929 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 142 / 280 |
Estimated T-Level: 22.5 ⓘ TF below 2^70 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Paul Heuwinkel | E92544C6D6833076 | 0 | Windows 16-bit,Prime95,v14,(aka WQ0) | | Factored | 1999-05-09 | Joel Kramer | E92544C6D6833076 | 2553838 | Windows,Prime95,v17,(aka WT1) | | Factored | 2018-07-27 | kkmrkkblmbrbk | E92544C6D6833076 | 473458 | Windows 64-bit,Prime95,v29.4,build 5 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2020-08-15 | storm5510 | FCF9E0351E9A7EA3 | 1 | 705386 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-08-15 | Chris Thornton | CERT | Proof certified good | | 2020-08-15 | storm5510 | C-PRP | M2685929/3504662746579642560151671118553 : FCF9E0351E9A7EA3 Proof Certified Good
Proof Power: 7
| | 2020-08-15 | GAN | F-ECM | Factor: 3504662746579642560151671118553 / ECM curve 3, B1=50000, B2=5000000, Montgomery Sigma=5164663643843392 | | 2019-11-17 | masser | NF-PM1 | B1=2000000, B2=50000000, E=12 | | 2019-04-29 | TJAOI | NF | no factor TF: 67-68 | | 2018-07-27 | kkmrkkblmbrbk | C-LL | E92544C6D6833076 | | 2018-07-09 | Joss | NF-PM1 | B1=670000, B2=6700000, E=6 | | 2017-09-13 | Gordon Spence | NF | no factor TF: 66-67 | | 2017-04-12 | Joss | NF-PM1 | B1=335000, B2=3350000, E=6 | | 2016-12-20 | Joss | NF-PM1 | B1=201000 | | 2016-06-17 | Joss | NF-PM1 | B1=167500, B2=4567500, E=6 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2016-01-26 | ramgeis | NF | no factor TF: 65-66 | | 2015-02-23 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-02-23 | VictordeHollander | NF | no factor TF: 63-64 | | 2013-01-14 | dbaugh | NF | no factor TF: 62-63 | | 2012-05-08 | markr | NF | no factor TF: 61-62 | | 2011-02-02 | markr | NF-PM1 | B1=105000, B2=2283750, E=6 | | 2010-12-26 | Joss | NF-PM1 | B1=30000 | | 2010-12-22 | Joss | NF-PM1 | B1=20000 | | 2009-02-01 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-11-28 | Team Prime Rib | NF-PM1 | B1=15000, B2=217500 | | 2003-11-08 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-05-09 | -anonymous- | C-LL | E92544C6D6833076 |
|
