| 7684889 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| P-1 factors | |
| 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 | 1999-10-21 | Holger Teichert-Ott | 8FE657CA4098FF72 | 4107063 | Windows,Prime95,v18,NT service,(aka WU5) | | Factored | 2002-04-14 | Marc Getty / Phil Fizur | 8FE657CA4098FF72 | 3380274 | 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) | 2020-06-07 | Oliver Kruse | F30BDA8172812B3B | 1 | 6241520 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-06-15 | Nesowa | F30BDA8172812B3B | 1 | 6978599 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-06-15 | Nesowa | C-PRP | M7684889/157068154980868547183567 : F30BDA8172812B3B | | 2020-06-07 | Oliver Kruse | C-PRP | M7684889/157068154980868547183567 : F30BDA8172812B3B | | 2020-06-06 | GdS | F-PM1 | Factor: 157068154980868547183567 / B1=721165, B2=15144458 | | 2020-03-06 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-31 | ramgeis | NF | no factor TF: 67-68 | | 2016-09-19 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-12 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-12-19 | lycorn | NF | no factor TF: 64-65 | | 2013-10-11 | Nesowa | NF | no factor TF: 63-64 | | 2012-08-05 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2002-04-14 | -anonymous- | C-LL | 8FE657CA4098FF72 | | 2002-03-24 | -anonymous- | NF-PM1 | B1=40000, B2=570000 | | 1999-10-21 | -anonymous- | C-LL | 8FE657CA4098FF72 | | 1998-08-02 | -anonymous- | NF | no factor TF: 1-63 |
|
