| 7815337 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-08-07 | Xan Tolbert | 815329974092D71B | 2279292 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-05-15 | storm5510 | 5B5028F171B8649B | 1 | 3911296 | 5 | 3 | | Verified | PRP without proof (not generated) | 2019-10-12 | Igvan28 | 5B5028F171B8649B | 1 | 7670468 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-02-04 | Stef42 | NF-PM1 | B1=843000, B2=1382772300 | | 2019-10-12 | Igvan28 | C-PRP | M7815337/20502361527499191689 : 5B5028F171B8649B | | 2018-05-15 | storm5510 | C-PRP | M7815337/20502361527499191689 : 5B5028F171B8649B | | 2002-05-18 | -anonymous- | F-PM1 | Factor: 20502361527499191689 | | 1999-08-07 | -anonymous- | C-LL | 815329974092D71B | | 1998-09-13 | -anonymous- | NF | no factor TF: 1-63 | | 1998-08-09 | -anonymous- | NF | no factor TF: 1-62 |
|