| 2350867 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 199 / 640 |
Estimated T-Level: 26.6 ⓘ TF below 2^83 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Bob Devine | ECC3F778DA7C81FA | 0 | Windows,Prime95,v13,(aka WP1) | | Factored | | Michael Cederberg | ECC3F778DA7C81FA | 0 | Windows,Prime95,v13,(aka WP1) | | Factored | 1999-03-26 | Brian Campbell | ECC3F778DA7C81FA | 1821263 | Linux 32-bit,Prime95,v17,(aka WT2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | 14C6B95AE8FC2EF6 | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-11-24 | storm5510 | 14C6B95AE8FC2EF6 | 1 | 1454731 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2350867/2017836416607121421903 : 14C6B95AE8FC2EF6 | | 2017-10-12 | Oliver Kruse | C-PRP | M2350867/2017836416607121421903 : 14C6B95AE8FC2EF6 | | 2013-06-01 | hiems | F-ECM | Factor: 2017836416607121421903 | | 2012-06-02 | Richard B. Woods | NF | no factor TF: 62-63 | | 2011-08-28 | Richard B. Woods | NF | no factor TF: 61-62 | | 2010-03-12 | Bud | NF-PM1 | B1=250000, B2=25000000, E=12 | | 2009-01-16 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-09-21 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-03-26 | Brian Campbell | C-LL | ECC3F778DA7C81FA |
|
