| 7168159 | 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 | 1999-08-07 | Marc Getty / Phil Fizur | 8C403872610DBF0B | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2002-04-14 | Ole Kristian Bangaas | 8C403872610DBF0B | 3663089 | Windows,Prime95,v21,(aka WX1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-05-01 | ATH | EE97145B704CB57E | 1 | 3600759 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-02 | marssystems | EE97145B704CB57E | 1 | 3634770 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-06 | Sid & Andy | NF-PM1 | B1=2600000, B2=4510734690 | | 2020-05-02 | marssystems | C-PRP | M7168159/530928302497827605977 : EE97145B704CB57E | | 2020-05-01 | ATH | C-PRP | M7168159/530928302497827605977 : EE97145B704CB57E | | 2020-05-01 | TJAOI | F | Factor: 530928302497827605977 / TF: 68-69 | | 2018-07-28 | ramgeis | NF | no factor TF: 67-68 | | 2016-10-25 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-21 | VictordeHollander | NF | no factor TF: 65-66 | | 2014-02-05 | lycorn | NF | no factor TF: 64-65 | | 2014-02-02 | Nesowa | NF | no factor TF: 63-64 | | 2011-12-23 | James Heinrich | NF-PM1 | B1=135000, B2=2936250, E=6 | | 2002-04-14 | -anonymous- | C-LL | 8C403872610DBF0B | | 2002-03-03 | -anonymous- | NF-PM1 | B1=35000, B2=297500 | | 2001-11-24 | -anonymous- | NF | no factor TF: 1-63 | | 1999-08-07 | -anonymous- | C-LL | 8C403872610DBF0B | | 1998-10-25 | -anonymous- | NF | no factor TF: 1-62 |
|
