| 2496911 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 101 / 280 |
Estimated T-Level: 21.8 ⓘ TF below 2^67 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-14 | Oliver Kruse | 754234D3E3E323A8 | 3 | 1127811 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-30 | storm5510 | 754234D3E3E323A8 | 3 | 1609129 | 5 | 3 | | Verified | Certified Good | 2023-12-19 | Naegi Makoto | 754234D3E3E323A8 | 4 | 2290719 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-12-19 | cswiger | CERT | Proof certified good | | 2023-12-19 | Naegi Makoto | C-PRP | M2496911/4993823/31295283709601/3533045193759511/3158387265140737378313 : 754234D3E3E323A8 Proof Certified Good Proof Power: 7
| | 2023-12-19 | Naegi Makoto | F-ECM | Factor: 3158387265140737378313 / ECM curve 55, B1=50000, B2=45039225, Montgomery Sigma=6483760306743080 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2496911/4993823/31295283709601/3533045193759511 : 754234D3E3E323A8 | | 2017-10-14 | Oliver Kruse | C-PRP | M2496911/4993823/31295283709601/3533045193759511 : 754234D3E3E323A8 | | 2014-07-07 | TJAOI | F | Factor: 3533045193759511 | | 2008-09-07 | Will Edgington | F | Factor: 31295283709601 |
|