| 2642383 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 89 / 280 |
Estimated T-Level: 21.6 ⓘ TF below 2^67 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 |
|---|
| Verified | PRP without proof (not generated) | 2017-10-18 | Oliver Kruse | 1F580DBB48A04611 | 3 | 772462 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-03 | storm5510 | 1F580DBB48A04611 | 3 | 494786 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-03 | storm5510 | C-PRP | M2642383/128081588777/166639241513/22448735679414786359 : 1F580DBB48A04611 | | 2017-10-18 | Oliver Kruse | C-PRP | M2642383/128081588777/166639241513/22448735679414786359 : 1F580DBB48A04611 | | 2017-08-31 | TJAOI | F | Factor: 22448735679414786359 | | 2008-09-07 | Will Edgington | F | Factor: 166639241513 |
|
