| 2496493 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 193 / 280 |
Estimated T-Level: 23.4 ⓘ TF below 2^73 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) | 2017-10-14 | Oliver Kruse | 5B5B6913F837217E | 2 | 1924822 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-30 | storm5510 | 5B5B6913F837217E | 2 | 1775444 | 5 | 3 | | Verified | Certified Good | 2025-05-06 | feather | 5B5B6913F837217E | 3 | 1468062 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-06 | saffah | CERT | Proof certified good | | 2025-05-06 | feather | C-PRP | M2496493/239663329/73985689113209303/1683993247249015965613177 : 5B5B6913F837217E Proof Certified Good
Proof Power: 7
| | 2025-05-06 | feather | F-ECM | Factor: 1683993247249015965613177 / ECM curve 12, B1=65384, B2=10330672, Edwards Sigma=3388889407054191 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2496493/239663329/73985689113209303 : 5B5B6913F837217E | | 2017-10-14 | Oliver Kruse | C-PRP | M2496493/239663329/73985689113209303 : 5B5B6913F837217E | | 2015-03-04 | TJAOI | F | Factor: 73985689113209303 |
|
