| 2391227 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 173 / 280 |
Estimated T-Level: 23.1 ⓘ 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) | 2017-10-13 | Oliver Kruse | B06D87E4402583A5 | 1 | 1783965 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-26 | kkmrkkblmbrbk | B06D87E4402583A5 | 1 | 1843851 | 5 | 3 | | Verified | Certified Good | 2025-03-01 | Jason Lynch | B06D87E4402583A5 | 2 | 2289876 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-01 | Sudhindra.Pranesh | CERT | Proof certified good | | 2025-03-01 | Jason Lynch | C-PRP | M2391227/3429019519/273582327433440329411441 : B06D87E4402583A5 Proof Certified Good
Proof Power: 7
| | 2025-02-20 | Dmitry Bolshakov | F-ECM | Factor: 273582327433440329411441 / ECM curve 76, B1=71217, B2=7110726, Edwards Sigma=1991678095843493 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-26 | kkmrkkblmbrbk | C-PRP | M2391227/3429019519 : B06D87E4402583A5 | | 2017-10-13 | Oliver Kruse | C-PRP | M2391227/3429019519 : B06D87E4402583A5 |
|
