| 2297593 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 144 / 640 |
Estimated T-Level: 26.1 ⓘ TF below 2^82 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) | 2017-10-11 | Oliver Kruse | 152637D42494F521 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-22 | storm5510 | 152637D42494F521 | 1 | 1444722 | 1 | 3 | | Verified | Certified Good | 2025-05-24 | Anton Tsvetkov | 8A4694AAA4B7F15B | 2 | 628008 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-24 | Patrik Johansson | CERT | Proof certified good | | 2025-05-24 | Anton Tsvetkov | C-PRP | M2297593/5803719919/271678230915099639449737 : 8A4694AAA4B7F15B Proof Certified Good
Proof Power: 7
| | 2025-05-24 | Anton Tsvetkov | F-ECM | Factor: 271678230915099639449737 / ECM curve 29, B1=88193, B2=38434110, Edwards Sigma=6566134311037334 | | 2017-11-22 | storm5510 | C-PRP | M2297593/5803719919 : 152637D42494F521 | | 2017-10-11 | Oliver Kruse | C-PRP | M2297593/5803719919 : 152637D42494F521 | | 2016-04-28 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 |
|
