| 7107383 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-05-23 | Pawel T. Jochym | A692E2588C957C61 | 5055573 | Linux 32-bit,Prime95,v18,(aka WU2) | | Factored | 2002-02-17 | Marc Getty / Phil Fizur | A692E2588C957C61 | 6584902 | Windows,Prime95,v20,NT service,(aka WW5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-05-02 | AnthonyRais | FC66179FCD90D5F4 | 1 | 2123091 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-09 | Nesowa | FC66179FCD90D5F4 | 1 | 1798191 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-04 | Sid & Andy | NF-PM1 | B1=2600000, B2=4510734690 | | 2020-05-09 | Nesowa | C-PRP | M7107383/396621732860520938569 : FC66179FCD90D5F4 | | 2020-05-02 | AnthonyRais | C-PRP | M7107383/396621732860520938569 : FC66179FCD90D5F4 | | 2020-05-01 | TJAOI | F | Factor: 396621732860520938569 / TF: 68-69 | | 2018-07-23 | ramgeis | NF | no factor TF: 67-68 | | 2016-10-20 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-21 | VictordeHollander | NF | no factor TF: 65-66 | | 2014-02-09 | lycorn | NF | no factor TF: 64-65 | | 2014-02-02 | Nesowa | NF | no factor TF: 63-64 | | 2011-12-20 | James Heinrich | NF-PM1 | B1=135000, B2=2902500, E=6 | | 2004-04-09 | Sturle Sunde | NF | no factor TF: 1-63 | | 2002-02-17 | -anonymous- | C-LL | A692E2588C957C61 | | 2002-02-03 | -anonymous- | NF-PM1 | B1=35000, B2=498750 | | 1999-05-23 | -anonymous- | C-LL | A692E2588C957C61 | | 1998-08-16 | -anonymous- | NF | no factor TF: 1-62 | | 1998-08-09 | -anonymous- | NF | no factor TF: 1-61 |
|