| 2622757 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 92 / 280 |
Estimated T-Level: 21.6 ⓘ 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) | 2017-10-17 | Oliver Kruse | BB29E8128BE32540 | 1 | 2268054 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-02 | storm5510 | BB29E8128BE32540 | 1 | 408938 | 5 | 3 | | Verified | Certified Good | 2024-08-27 | Wojciech Florek | BB29E8128BE32540 | 2 | 1737994 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-08-27 | Luke Durant | CERT | Proof certified good | | 2024-08-27 | Wojciech Florek | C-PRP | M2622757/130865083273/64482620760470093194271 : BB29E8128BE32540 | | 2024-08-27 | Wojciech Florek | F-ECM | Factor: 64482620760470093194271 / ECM curve 2, B1=50000, B2=21617310, Edwards Sigma=8000587267773401 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2622757/130865083273 : BB29E8128BE32540 | | 2017-10-17 | Oliver Kruse | C-PRP | M2622757/130865083273 : BB29E8128BE32540 |
|
