| 7675471 | 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 | | Paul Victor Novarese | DBA6A21D08DB6E67 | 0 | Mlucas,Ernst Mayer,v2.5 and later,(aka E2) | | Factored | 2000-03-28 | Charles Price | DBA6A21D08DB6E67 | 5187680 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-06-11 | fre_games | E29440A8423DEE8C | 1 | 4549681 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-06-13 | oodaira | E29440A8423DEE8C | 1 | 6395401 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-06-13 | oodaira | C-PRP | M7675471/6407728663857749143151 : E29440A8423DEE8C | | 2020-06-11 | fre_games | C-PRP | M7675471/6407728663857749143151 : E29440A8423DEE8C | | 2020-06-09 | GdS | F-PM1 | Factor: 6407728663857749143151 / B1=721165, B2=15144458 | | 2020-03-13 | 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 | | 2013-12-09 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-11 | Nesowa | NF | no factor TF: 63-64 | | 2012-09-17 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2009-08-09 | Carsten Kossendey | NF-PM1 | B1=45000, B2=686250, E=6 | | 2000-03-28 | -anonymous- | C-LL | DBA6A21D08DB6E67 | | 1998-08-30 | -anonymous- | NF | no factor TF: 1-63 | | 1998-08-16 | -anonymous- | NF | no factor TF: 1-62 |
|