| 2621159 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 159 / 280 |
Estimated T-Level: 22.8 ⓘ TF below 2^71 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) | 2017-10-17 | Oliver Kruse | 5BEAB42D2E0FC6CD | 3 | 1365534 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | 5BEAB42D2E0FC6CD | 3 | 949648 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-03-11 | LordJulius | NF | no factor TF: 62-63 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2621159/5242319/59381238958570601/9802735172957490551 : 5BEAB42D2E0FC6CD | | 2017-10-17 | Oliver Kruse | C-PRP | M2621159/5242319/59381238958570601/9802735172957490551 : 5BEAB42D2E0FC6CD | | 2016-12-12 | TJAOI | F | Factor: 9802735172957490551 | | 2015-02-10 | TJAOI | F | Factor: 59381238958570601 |
|
