| 2499793 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 169 / 280 |
Estimated T-Level: 23.0 ⓘ TF below 2^71 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Paul Foxworthy | 5E139608B1911198 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-05-09 | David Phillips | 5E139608B1911198 | 316131 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-14 | Oliver Kruse | 1F2C499289A2A961 | 1 | 526319 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-30 | storm5510 | 1F2C499289A2A961 | 1 | 1206371 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2499793/32139780419117858761 : 1F2C499289A2A961 | | 2017-10-14 | Oliver Kruse | C-PRP | M2499793/32139780419117858761 : 1F2C499289A2A961 | | 2003-10-31 | Team Prime Rib | F-PM1 | Factor: 32139780419117858761 | | 2003-10-23 | -anonymous- | F-PM1 | Factor: 32139780419117858761 | | 1999-05-09 | -anonymous- | C-LL | 5E139608B1911198 | | 1999-05-02 | -anonymous- | NF | no factor TF: 1-59 |
|
