| 2519087 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 102 / 280 |
Estimated T-Level: 21.8 ⓘ TF below 2^67 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 | 89802AB105D43CE7 | 1 | 169077 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-30 | storm5510 | 89802AB105D43CE7 | 1 | 1584477 | 5 | 3 | | Verified | Certified Good | 2024-01-24 | Naegi Makoto | 89802AB105D43CE7 | 2 | 2323584 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-01-25 | curtisc | CERT | Proof certified good | | 2024-01-24 | Naegi Makoto | C-PRP | M2519087/157236372367/1016858023402111485999049 : 89802AB105D43CE7 Proof Certified Good
Proof Power: 7
| | 2024-01-24 | debrouxl | F-ECM | Factor: 1016858023402111485999049 / ECM curve 41, B1=50000, B2=6950000, Montgomery Sigma=1513703896175409 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2519087/157236372367 : 89802AB105D43CE7 | | 2017-10-14 | Oliver Kruse | C-PRP | M2519087/157236372367 : 89802AB105D43CE7 |
|
