| 2576933 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 199 / 280 |
Estimated T-Level: 23.6 ⓘ TF below 2^73 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Robert Kulagowski | 6DA411B793D9A5CB | 0 | Windows 16-bit,Prime95,v14,screen saver,(aka WQ3) | | Factored | 1999-04-02 | Ethan O'Connor | 6DA411B793D9A5CB | 426204 | Windows,Prime95,v17,NT service,(aka WT5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-15 | Oliver Kruse | B932A58890417821 | 1 | 883259 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-01 | storm5510 | B932A58890417821 | 1 | 2227396 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-01-25 | USAFSS | NF-PM1 | B1=232000, B2=246845610 | | 2017-12-01 | storm5510 | C-PRP | M2576933/1087857788816287459471 : B932A58890417821 | | 2017-10-15 | Oliver Kruse | C-PRP | M2576933/1087857788816287459471 : B932A58890417821 | | 2003-11-08 | Team Prime Rib | F-PM1 | Factor: 1087857788816287459471 | | 2003-10-31 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-04-02 | Ethan O'Connor | C-LL | 6DA411B793D9A5CB | | 1999-03-26 | Ethan O'Connor | NF | no factor TF: 1-59 |
|
