| 6494069 | 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 | 1999-08-16 | Takahiro Shakushi | 61EED9FE3C795518 | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2001-03-17 | chris clark | 61EED9FE3C795518 | 542803 | Linux 32-bit,Prime95,v20,(aka WW2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-05-24 | storm5510 | 5E193E2515627246 | 1 | 4797946 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-09-29 | rucio | 5E193E2515627246 | 1 | 2278128 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-16 | Stef42 | NF-PM1 | B1=2171000, B2=5069197980 | | 2018-09-29 | rucio | C-PRP | M6494069/180226314894986914009 : 5E193E2515627246 | | 2018-05-24 | storm5510 | C-PRP | M6494069/180226314894986914009 : 5E193E2515627246 | | 2018-05-23 | ramgeis | F | Factor: 180226314894986914009 / TF: 67-68* | | 2016-04-17 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-10-27 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-09-02 | Nesowa | NF-PM1 | B1=400000, B2=10100000, E=12 | | 2014-08-12 | lycorn | NF | no factor TF: 64-65 | | 2014-08-02 | Nesowa | NF | no factor TF: 63-64 | | 2001-03-17 | -anonymous- | C-LL | 61EED9FE3C795518 | | 2001-02-25 | -anonymous- | NF-PM1 | B1=30000, B2=247500 | | 1999-08-16 | -anonymous- | C-LL | 61EED9FE3C795518 | | 1999-02-07 | -anonymous- | C-LL | 08C8F798569C8C__ | | 1998-07-05 | -anonymous- | NF | no factor TF: 1-62 |
|