| 7636481 | 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 | 1999-09-14 | Steven Youngs | A4D10F23EB385924 | 5592569 | Windows,Prime95,v18,(aka WU1) | | Factored | 2002-03-24 | Eric Welker | A4D10F23EB385924 | 3275448 | 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) | 2020-05-10 | Oliver Kruse | D0C3E301A2C0847B | 1 | 7097541 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-10 | MarkS | D0C3E301A2C0847B | 1 | 2649068 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-05-10 | MarkS | C-PRP | M7636481/753753467985803279737 : D0C3E301A2C0847B | | 2020-05-10 | Oliver Kruse | C-PRP | M7636481/753753467985803279737 : D0C3E301A2C0847B | | 2020-05-09 | Tha | F-PM1 | Factor: 753753467985803279737 / B1=1000000, B2=20000000 | | 2020-03-06 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-31 | ramgeis | NF | no factor TF: 67-68 | | 2016-09-14 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-09 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-12-05 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-11 | Nesowa | NF | no factor TF: 63-64 | | 2012-07-23 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2002-03-24 | -anonymous- | C-LL | A4D10F23EB385924 | | 2002-03-16 | -anonymous- | NF-PM1 | B1=40000, B2=400000 | | 1999-09-14 | -anonymous- | C-LL | A4D10F23EB385924 | | 1998-08-30 | -anonymous- | NF | no factor TF: 1-63 | | 1998-08-24 | -anonymous- | NF | no factor TF: 1-62 |
|
