| 2399549 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 147 / 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) | 2017-10-12 | Oliver Kruse | CAE479D7382A8D80 | 2 | 1400672 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-26 | kkmrkkblmbrbk | CAE479D7382A8D80 | 2 | 1059300 | 5 | 3 | | Verified | Certified Good | 2025-03-05 | Anton Tsvetkov | CAE479D7382A8D80 | 3 | 1597028 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-06 | ANONYMOUS | CERT | Proof certified good | | 2025-03-05 | Anton Tsvetkov | C-PRP | M2399549/132186355313/10608620015559596351/465321758952663966127 : CAE479D7382A8D80 Proof Certified Good
Proof Power: 7
| | 2025-03-05 | Anton Tsvetkov | F-ECM | Factor: 465321758952663966127 / ECM curve 38, B1=71796, B2=26492724, Edwards Sigma=1159507499590192 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-26 | kkmrkkblmbrbk | C-PRP | M2399549/132186355313/10608620015559596351 : CAE479D7382A8D80 | | 2017-10-12 | Oliver Kruse | C-PRP | M2399549/132186355313/10608620015559596351 : CAE479D7382A8D80 | | 2017-01-03 | TJAOI | F | Factor: 10608620015559596351 |
|
