| 7302901 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 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 | 1999-05-02 | Dr James Denholm-Price | EF7BCDE39FC30696 | 6469941 | OS/2,Prime95,v18,(aka WU7) | | Factored | 2002-12-09 | ANDERS TOP HANSEN | EF7BCDE39FC30696 | 5930835 | Windows,Prime95,v22,(aka WY1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-06-03 | Klaus Nordmann | 0A14E0CDCD6A1D2E | 1 | 7293211 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-06-04 | daveward2005 | 0A14E0CDCD6A1D2E | 1 | 792890 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-08 | Sid & Andy | NF-PM1 | B1=2600000, B2=4388651190 | | 2020-06-04 | daveward2005 | C-PRP | M7302901/901917408029856745193 : 0A14E0CDCD6A1D2E | | 2020-06-03 | Klaus Nordmann | C-PRP | M7302901/901917408029856745193 : 0A14E0CDCD6A1D2E | | 2020-06-02 | GdS | F | Factor: 901917408029856745193 / TF: 69-70 | | 2020-06-02 | GdS | NF | no factor TF: 68-69 | | 2020-03-07 | GdS | NF-PM1 | B1=310809, B2=6216181 | | 2018-08-05 | ramgeis | NF | no factor TF: 67-68 | | 2016-10-01 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-16 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-11-12 | David Campeau | NF | no factor TF: 64-65 | | 2012-09-06 | Squeeky_Squirrel | NF-PM1 | B1=90000, B2=1620000, E=6 | | 2012-04-04 | David Campeau | NF | no factor TF: 63-64 | | 2002-12-09 | -anonymous- | C-LL | EF7BCDE39FC30696 | | 2001-12-22 | -anonymous- | NF-PM1 | B1=35000, B2=367500 | | 1999-06-06 | James D-P | C-LL | EF7BCDE39FC30696 | | 1999-05-02 | James D-P | C-LL | EF7BCDE39FC30696 | | 1998-07-21 | -anonymous- | NF | no factor TF: 1-63 |
|