| 2617957 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 180 / 280 |
Estimated T-Level: 23.2 ⓘ TF below 2^72 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) | 2017-10-17 | Oliver Kruse | 332D9B5C790BDE83 | 1 | 1521929 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-02 | storm5510 | 332D9B5C790BDE83 | 1 | 871463 | 5 | 3 | | Verified | Certified Good | 2021-11-01 | SRJ2877 | 332D9B5C790BDE83 | 2 | 1747476 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-11-01 | Dobri | CERT | Proof certified good | | 2021-11-01 | SRJ2877 | C-PRP | M2617957/15707743/163389779635676762983 : 332D9B5C790BDE83 Proof Certified Good
Proof Power: 7
| | 2021-11-01 | TJAOI | F | Factor: 163389779635676762983 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2617957/15707743 : 332D9B5C790BDE83 | | 2017-10-17 | Oliver Kruse | C-PRP | M2617957/15707743 : 332D9B5C790BDE83 |
|
