| 7308893 | 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 | 1999-06-06 | inetwiz | FCA031CD8CB52A4A | 3039864 | Windows,Prime95,v18,(aka WU1) | | Factored | 2002-01-08 | Arne Vogel | FCA031CD8CB52A4A | 6525250 | Linux 32-bit,Prime95,v21,(aka WX2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-05-21 | ATH | D97EF562029DAA0C | 1 | 4832104 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-22 | marssystems | D97EF562029DAA0C | 1 | 3158247 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-05-22 | marssystems | C-PRP | M7308893/394226825004778456087 : D97EF562029DAA0C | | 2020-05-21 | ATH | C-PRP | M7308893/394226825004778456087 : D97EF562029DAA0C | | 2020-05-21 | GdS | F | Factor: 394226825004778456087 / TF: 68-69 | | 2020-03-13 | GdS | NF-PM1 | B1=777023, B2=15540452 | | 2020-03-03 | 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 | | 2015-06-21 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-11-18 | David Campeau | NF | no factor TF: 64-65 | | 2012-09-08 | Squeeky_Squirrel | NF-PM1 | B1=90000, B2=1620000, E=6 | | 2012-03-25 | David Campeau | NF | no factor TF: 63-64 | | 2002-01-08 | -anonymous- | C-LL | FCA031CD8CB52A4A | | 2001-12-22 | -anonymous- | NF-PM1 | B1=35000, B2=306250 | | 1999-06-06 | -anonymous- | C-LL | FCA031CD8CB52A4A | | 1998-06-28 | Joel Armengaud | NF | no factor TF: 1-63 |
|
