| 5498329 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 266 |
| 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 | 1998-09-27 | Wayne Beardsley | DECA5B761B199030 | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-10-15 | Andreas Wallin | DECA5B761B199030 | 5271747 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-06-08 | storm5510 | 88966502E0995286 | 1 | 2141680 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-06-09 | kkmrkkblmbrbk | 88966502E0995286 | 1 | 883178 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-29 | Sid & Andy | NF-PM1 | B1=3500000, B2=7237748700 | | 2018-06-09 | kkmrkkblmbrbk | C-PRP | M5498329/203097863518753826873 : 88966502E0995286 | | 2018-06-08 | storm5510 | C-PRP | M5498329/203097863518753826873 : 88966502E0995286 | | 2018-06-07 | ramgeis | F | Factor: 203097863518753826873 / TF: 67-68* | | 2016-07-11 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-26 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-11-20 | lycorn | NF | no factor TF: 64-65 | | 2014-11-20 | lycorn | NF | no factor TF: 63-64 | | 2009-05-01 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2008-10-31 | Jayson King | NF-PM1 | B1=70000, B2=1400000, E=6 | | 2000-10-15 | -anonymous- | C-LL | DECA5B761B199030 | | 1998-09-27 | Wayne Beardsley | C-LL | DECA5B761B199030 | | 1998-06-07 | -anonymous- | NF | no factor TF: 1-62 | | 1998-03-31 | -anonymous- | NF | no factor TF: 1-61 |
|
