| 2246117 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 164 / 640 |
Estimated T-Level: 26.3 ⓘ 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) | 2017-10-10 | Oliver Kruse | 1B05ED7FB71E2099 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-21 | kkmrkkblmbrbk | 1B05ED7FB71E2099 | 1 | 1254023 | 1 | 3 | | Verified | Certified Good | 2025-01-08 | Dmitry Bolshakov | 18F6CC46BDA58D80 | 2 | 2181959 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-09 | volki | CERT | Proof certified good | | 2025-01-08 | Dmitry Bolshakov | C-PRP | M2246117/13476703/1887264851204715246343756841 : 18F6CC46BDA58D80 Proof Certified Good
Proof Power: 7
| | 2025-01-05 | Dmitry Bolshakov | F-ECM | Factor: 1887264851204715246343756841 / ECM curve 13, B1=85612, B2=9371712, Edwards Sigma=4428158007863515 | | 2017-11-21 | kkmrkkblmbrbk | C-PRP | M2246117/13476703 : 1B05ED7FB71E2099 | | 2017-10-10 | Oliver Kruse | C-PRP | M2246117/13476703 : 1B05ED7FB71E2099 | | 2016-04-29 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 |
|
