| 2611849 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 102 / 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) | 2017-10-15 | Oliver Kruse | F6B5D219D5259D25 | 2 | 2454529 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-02 | storm5510 | F6B5D219D5259D25 | 2 | 1537902 | 5 | 3 | | Verified | Certified Good | 2024-04-18 | Anton Tsvetkov | F6B5D219D5259D25 | 3 | 2254932 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-04-18 | Jon Paul Whiteside | CERT | Proof certified good | | 2024-04-18 | Anton Tsvetkov | C-PRP | M2611849/27685599401/3674908521558143/171257807541265918192729 : F6B5D219D5259D25 Proof Certified Good
Proof Power: 7
| | 2024-04-18 | Anton Tsvetkov | F-ECM | Factor: 171257807541265918192729 / ECM curve 28, B1=50000, B2=14967225, Edwards Sigma=3741752552682956 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2611849/27685599401/3674908521558143 : F6B5D219D5259D25 | | 2017-10-15 | Oliver Kruse | C-PRP | M2611849/27685599401/3674908521558143 : F6B5D219D5259D25 | | 2014-03-31 | pdazzl | F | Factor: 3674908521558143 / TF: 48-54 |
|
