| 2931067 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 53 / 280 |
Estimated T-Level: 20.9 ⓘ TF below 2^65 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 | 4190E3544F67E67C | 2 | 1498021 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-09 | nokno | AF0C6A57B698230D | 2 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-12-09 | kkmrkkblmbrbk | 4190E3544F67E67C | 2 | 2109030 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-11 | kkmrkkblmbrbk | AF0C6A57B698230D | 2 | 943143 | 1 | 3 | | Verified | Certified Good | 2025-01-06 | Anton Tsvetkov | 4190E3544F67E67C | 3 | 2706023 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-06 | LOBES | CERT | Proof certified good | | 2025-01-06 | Anton Tsvetkov | C-PRP | M2931067/1436222831/315048371571130073/128737865294061824738570729 : 4190E3544F67E67C Proof Certified Good Proof Power: 7
| | 2025-01-06 | Anton Tsvetkov | F-ECM | Factor: 128737865294061824738570729 / ECM curve 35, B1=50000, B2=18092760, Edwards Sigma=4795051594076031 | | 2023-02-07 | USAFSS | NF-PM1 | B1=360000, B2=282695490 | | 2017-12-11 | kkmrkkblmbrbk | C-PRP | M2931067/1436222831/315048371571130073 : AF0C6A57B698230D | | 2017-12-09 | kkmrkkblmbrbk | C-PRP | M2931067/1436222831/315048371571130073 : 4190E3544F67E67C | | 2017-12-09 | nokno | C-PRP | M2931067/1436222831/315048371571130073 : AF0C6A57B698230D | | 2017-10-25 | Oliver Kruse | C-PRP | M2931067/1436222831/315048371571130073 : 4190E3544F67E67C | | 2015-08-12 | TJAOI | F | Factor: 315048371571130073 |
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