| 2479013 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 266 / 280 |
Estimated T-Level: 24.8 ⓘ TF below 2^77 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 | 55EA06CCB014F1F2 | 3 | 1510230 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-29 | storm5510 | 55EA06CCB014F1F2 | 3 | 1946546 | 5 | 3 | | Verified | Certified Good | 2025-11-07 | MarkS | 55EA06CCB014F1F2 | 4 | 1529013 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-11-07 | cameloid | CERT | Proof certified good | | 2025-11-07 | MarkS | C-PRP | M2479013/674291537/14400983159081/581839562323769/407913620123551199839 : 55EA06CCB014F1F2 Proof Certified Good
Proof Power: 7
| | 2025-11-07 | MarkS | F-ECM | Factor: 407913620123551199839 / ECM curve 54, B1=89722, B2=86479575, Edwards Sigma=4050692267427570 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-29 | storm5510 | C-PRP | M2479013/674291537/14400983159081/581839562323769 : 55EA06CCB014F1F2 | | 2017-10-14 | Oliver Kruse | C-PRP | M2479013/674291537/14400983159081/581839562323769 : 55EA06CCB014F1F2 | | 2014-04-22 | TJAOI | F | Factor: 581839562323769 | | 2008-09-30 | markr | F | Factor: 14400983159081 |
|
