| 2487091 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 135 / 280 |
Estimated T-Level: 22.4 ⓘ TF below 2^69 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 | 99FC6235E8A17C35 | 2 | 2162301 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-29 | storm5510 | 99FC6235E8A17C35 | 2 | 1332127 | 5 | 3 | | Verified | Certified Good | 2025-04-11 | JC_Herles | 99FC6235E8A17C35 | 3 | 1215754 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-11 | Sly_007 | CERT | Proof certified good | | 2025-04-11 | JC_Herles | C-PRP | M2487091/13577606774113/6148818333243749711/783569177891630707561 : 99FC6235E8A17C35 Proof Certified Good
Proof Power: 7
| | 2025-04-11 | JC_Herles | F-ECM | Factor: 783569177891630707561 / ECM curve 1, B1=65109, B2=75069225, Edwards Sigma=3226769591713538 | | 2022-08-18 | USAFSS | NF-PM1 | B1=224000, B2=203668920 | | 2017-11-29 | storm5510 | C-PRP | M2487091/13577606774113/6148818333243749711 : 99FC6235E8A17C35 | | 2017-10-14 | Oliver Kruse | C-PRP | M2487091/13577606774113/6148818333243749711 : 99FC6235E8A17C35 | | 2016-08-05 | TJAOI | F | Factor: 6148818333243749711 |
|
