| 2363393 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 120 / 640 |
Estimated T-Level: 25.9 ⓘ TF below 2^81 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) | 2017-10-12 | Oliver Kruse | 97C6026E27415FA0 | 1 | 585280 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | storm5510 | 97C6026E27415FA0 | 1 | 781362 | 5 | 3 | | Verified | Certified Good | 2025-02-06 | Wojciech Florek | 97C6026E27415FA0 | 2 | 1806990 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-06 | Filen | CERT | Proof certified good | | 2025-02-06 | Wojciech Florek | C-PRP | M2363393/814155800999/17956460400993654450289 : 97C6026E27415FA0 Proof Certified Good
Proof Power: 7
| | 2025-02-06 | Wojciech Florek | F-ECM | Factor: 17956460400993654450289 / ECM curve 39, B1=74318, B2=151344375, Edwards Sigma=5730848470203215 | | 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2363393/814155800999 : 97C6026E27415FA0 | | 2017-10-12 | Oliver Kruse | C-PRP | M2363393/814155800999 : 97C6026E27415FA0 |
|
