| 2526599 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 143 / 280 |
Estimated T-Level: 22.6 ⓘ TF below 2^70 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Eric Prestemon | 004D7964E81154AB | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-06-26 | Michael S. Maddox | 004D7964E81154AB | 2246620 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-14 | Oliver Kruse | 3D13D4CC5414FE44 | 1 | 122994 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-01 | storm5510 | 3D13D4CC5414FE44 | 1 | 826272 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-01-28 | USAFSS | NF-PM1 | B1=288000, B2=290589390 | | 2022-03-10 | LordJulius | NF | no factor TF: 1-60 | | 2017-12-01 | storm5510 | C-PRP | M2526599/28291348800692650529 : 3D13D4CC5414FE44 | | 2017-10-14 | Oliver Kruse | C-PRP | M2526599/28291348800692650529 : 3D13D4CC5414FE44 | | 2015-02-23 | VictordeHollander | F | Factor: 28291348800692650529 / TF: 64-65 | | 2015-02-23 | VictordeHollander | NF | no factor TF: 63-64 | | 2013-01-14 | dbaugh | NF | no factor TF: 62-63 | | 2012-06-14 | Sebastian Hornbostel | NF | no factor TF: 61-62 | | 2011-03-14 | James Heinrich | NF-PM1 | B1=300000, B2=8000000, E=12 | | 2011-01-06 | Joss | NF-PM1 | B1=50000 | | 2011-01-02 | Joss | NF-PM1 | B1=30000 | | 2010-12-19 | Joss | NF-PM1 | B1=20000 | | 2009-03-30 | Rob_Dee | NF | no factor TF: 60-61 | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=236250 | | 2003-10-23 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-06-26 | -anonymous- | C-LL | 004D7964E81154AB | | 1999-03-15 | -anonymous- | NF | no factor TF: 1-59 |
|
