| 2348791 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 120 / 640 |
Estimated T-Level: 25.9 ⓘ TF below 2^81 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 | E2EB25D2361D82D2 | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | 6C42F6D223178FFF | 4 | 2178308 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-24 | storm5510 | 6C42F6D223178FFF | 4 | 2008409 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2348791/88695045743/1537617237823/197058867319/43500915717554201 : 6C42F6D223178FFF | | 2017-10-12 | Oliver Kruse | C-PRP | M2348791/88695045743/1537617237823/197058867319/43500915717554201 : 6C42F6D223178FFF | | 2017-10-12 | Oliver Kruse | C-PRP | M2348791/known_factors : E2EB25D2361D82D2 | | 2015-01-15 | TJAOI | F | Factor: 43500915717554201 | | 2008-07-14 | George Woltman | F-ECM | Factor: 197058867319 | | 2008-07-14 | George Woltman | F-ECM | Factor: 1537617237823 |
|
