| 5437037 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 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 | 1998-07-21 | Takahiro Shakushi | 7992D177FCB7C432 | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2001-03-05 | Franck TROMMENSCHLAGER | 7992D177FCB7C432 | 1891679 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-12-01 | storm5510 | FF090CFEBB6B5373 | 1 | 4604543 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-03-07 | kkmrkkblmbrbk | FF090CFEBB6B5373 | 1 | 570562 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-25 | Sid & Andy | NF-PM1 | B1=5100000, B2=8563943850 | | 2018-03-07 | kkmrkkblmbrbk | C-PRP | M5437037/33240802500041199311 : FF090CFEBB6B5373 | | 2017-12-01 | storm5510 | C-PRP | M5437037/33240802500041199311 : FF090CFEBB6B5373 | | 2015-01-01 | monst | F | Factor: 33240802500041199311 / TF: 64-65 | | 2015-01-01 | snme2pm1 | NF | no factor TF: 63-64 | | 2010-10-28 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=960000, E=6 | | 2009-05-10 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2001-03-05 | -anonymous- | C-LL | 7992D177FCB7C432 | | 2001-02-18 | -anonymous- | NF-PM1 | B1=20000, B2=125000 | | 2000-08-31 | -anonymous- | NF-PM1 | B1=25000, B2=268750 | | 2000-06-28 | -anonymous- | NF-PM1 | B1=25000, B2=225000 | | 1998-07-21 | -anonymous- | C-LL | 7992D177FCB7C432 | | 1998-06-07 | -anonymous- | NF | no factor TF: 1-62 |
|
