| 2833729 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 84 / 280 |
Estimated T-Level: 21.5 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Paul Victor Novarese | 092903E79BAE2194 | 0 | Linux 32-bit,Prime95,v14,(aka WQ2) | | Factored | 1999-10-15 | Tim Towers | 092903E79BAE2194 | 2021869 | Windows,Prime95,v18,(aka WU1) | | Factored | 2018-09-11 | kkmrkkblmbrbk | 092903E79BAE2194 | 396918 | 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 | 2020-10-14 | storm5510 | 7428B2F107A0C0D7 | 1 | 1543316 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-10-14 | Ben Delo | CERT | Proof certified good | | 2020-10-14 | storm5510 | C-PRP | M2833729/113383651902871984744895177 : 7428B2F107A0C0D7 Proof Certified Good
Proof Power: 7
| | 2020-10-14 | tottenhoff | F-ECM | Factor: 113383651902871984744895177 / ECM curve 3, B1=50000, B2=5000000, Montgomery Sigma=1771165732040998 | | 2020-02-02 | masser | NF-PM1 | B1=5000000, B2=200000000, E=12 | | 2019-11-04 | masser | NF-PM1 | B1=2840000, B2=28400000, E=12 | | 2019-01-04 | chuenkit | NF | no factor TF: 67-68 | | 2018-09-11 | kkmrkkblmbrbk | C-LL | 092903E79BAE2194 | | 2017-10-28 | Gordon Spence | NF | no factor TF: 66-67 | | 2017-10-11 | Joss | NF-PM1 | B1=597196, B2=5971960, E=6 | | 2017-02-25 | Joss | NF-PM1 | B1=298598, B2=2985980, E=6 | | 2016-12-23 | Joss | NF-PM1 | B1=207360 | | 2016-12-15 | Joss | NF-PM1 | B1=172800 | | 2016-09-22 | Joss | NF-PM1 | B1=120000, B2=3993000 | | 2016-09-21 | Joss | NF-PM1 | B1=120000, B2=3630000 | | 2016-09-19 | Joss | NF-PM1 | B1=120000, B2=3300000, E=6 | | 2016-02-23 | Mark Rose | NF | no factor TF: 59-60 | | 2015-11-30 | omylist | NF | no factor TF: 65-66 | | 2015-04-21 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-04-21 | VictordeHollander | NF | no factor TF: 63-64 | | 2013-01-10 | dbaugh | NF | no factor TF: 62-63 | | 2012-02-14 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-02-12 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-11-28 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-10-15 | Tim Towers | C-LL | 092903E79BAE2194 | | 1999-03-15 | -anonymous- | NF | no factor TF: 1-59 |
|
