| 2349913 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 154 / 280 |
Estimated T-Level: 22.8 ⓘ TF below 2^71 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 | 87DFB9CCCB4D2B18 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | kkmrkkblmbrbk | 87DFB9CCCB4D2B18 | 1 | 2141941 | 1 | 3 | | Verified | Certified Good | 2025-02-20 | Anton Tsvetkov | 1CAB4CB0BA52E7B7 | 2 | 601669 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-20 | 0x | CERT | Proof certified good | | 2025-02-20 | Anton Tsvetkov | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-02-20 | Anton Tsvetkov | F-ECM | Factor: 595799671057147898419241 / ECM curve 36, B1=76388, B2=36031710, Edwards Sigma=4057089296820220 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-24 | kkmrkkblmbrbk | C-PRP | M2349913/116892585961427153 : 87DFB9CCCB4D2B18 | | 2017-10-12 | Oliver Kruse | C-PRP | M2349913/116892585961427153 : 87DFB9CCCB4D2B18 |
|
