| 2652037 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 75 / 280 |
Estimated T-Level: 21.3 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Adrian Powell | A3B3D06CF2013B7E | 0 | Linux 32-bit,Prime95,v13,(aka WP2) | | Factored | 1999-04-02 | Tim Dennehey | A3B3D06CF2013B7E | 1101716 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-18 | Oliver Kruse | 841B900AAEA2CDA5 | 1 | 1381120 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-03 | storm5510 | 841B900AAEA2CDA5 | 1 | 1608488 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-03 | storm5510 | C-PRP | M2652037/39650887876072795556081 : 841B900AAEA2CDA5 | | 2017-10-18 | Oliver Kruse | C-PRP | M2652037/39650887876072795556081 : 841B900AAEA2CDA5 | | 2016-09-21 | Ismo Laitela | F-ECM | Factor: 39650887876072795556081 | | 2016-02-23 | Mark Rose | NF | no factor TF: 59-60 | | 2016-01-21 | 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 | | 2012-05-30 | Grant McCracken | NF | no factor TF: 61-62 | | 2011-01-19 | James Heinrich | NF-PM1 | B1=180000, B2=4275000, E=6 | | 2009-06-23 | USAFSS | NF-PM1 | B1=30000, B2=420000 | | 2009-01-28 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-10-31 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-04-02 | TD | NF | no factor TF: 1-59 | | 1999-04-02 | TD | C-LL | A3B3D06CF2013B7E |
|
