| 2948087 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 106 / 280 |
Estimated T-Level: 21.9 ⓘ TF below 2^68 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) | 2017-10-25 | Oliver Kruse | 675E3929E9F10DD5 | 1 | 2600881 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-09 | kkmrkkblmbrbk | 675E3929E9F10DD5 | 1 | 1449337 | 5 | 3 | | Verified | Certified Good | 2025-02-03 | Anton Tsvetkov | 675E3929E9F10DD5 | 2 | 2779707 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-03 | curtisc | CERT | Proof certified good | | 2025-02-03 | Anton Tsvetkov | C-PRP | M2948087/2104934119/545242620876305609948879 : 675E3929E9F10DD5 Proof Certified Good
Proof Power: 7
| | 2025-02-03 | Anton Tsvetkov | F-ECM | Factor: 545242620876305609948879 / ECM curve 16, B1=50000, B2=14967225, Edwards Sigma=8744509330722691 | | 2023-02-11 | USAFSS | NF-PM1 | B1=360000, B2=282695490 | | 2017-12-09 | kkmrkkblmbrbk | C-PRP | M2948087/2104934119 : 675E3929E9F10DD5 | | 2017-10-25 | Oliver Kruse | C-PRP | M2948087/2104934119 : 675E3929E9F10DD5 |
|
