| 2524471 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 217 / 280 |
Estimated T-Level: 23.9 ⓘ TF below 2^74 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) | 2017-10-14 | Oliver Kruse | 4D5B8A39F5A94AA0 | 1 | 1153504 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-01 | storm5510 | 4D5B8A39F5A94AA0 | 1 | 1158594 | 5 | 3 | | Verified | Certified Good | 2025-05-26 | JC_Herles | 4D5B8A39F5A94AA0 | 2 | 2488761 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-26 | Wojciech Florek | CERT | Proof certified good | | 2025-05-26 | JC_Herles | C-PRP | M2524471/150138535292287/61780818911215990415873 : 4D5B8A39F5A94AA0 Proof Certified Good
Proof Power: 7
| | 2025-05-26 | JC_Herles | F-ECM | Factor: 61780818911215990415873 / ECM curve 2, B1=65242, B2=86445650, Edwards Sigma=6233208877577383 | | 2022-08-22 | USAFSS | NF-PM1 | B1=240000, B2=199861200 | | 2017-12-01 | storm5510 | C-PRP | M2524471/150138535292287 : 4D5B8A39F5A94AA0 | | 2017-10-14 | Oliver Kruse | C-PRP | M2524471/150138535292287 : 4D5B8A39F5A94AA0 |
|
