| 2354953 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 101 / 640 |
Estimated T-Level: 25.8 ⓘ 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 |
|---|
| Verified | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | BCE41D7836DFC611 | 3 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-11-24 | storm5510 | BCE41D7836DFC611 | 3 | 1728882 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2354953/14129719/1130377441/238380440915473799 : BCE41D7836DFC611 | | 2017-10-12 | Oliver Kruse | C-PRP | M2354953/14129719/1130377441/238380440915473799 : BCE41D7836DFC611 | | 2015-07-13 | TJAOI | F | Factor: 238380440915473799 | | 2008-07-14 | George Woltman | F-ECM | Factor: 1130377441 |
|
