| 8231681 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-09-25 | Oliver Kruse | F05262040EB4AA21 | 2 | 3465041 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-03-20 | oodaira | F05262040EB4AA21 | 2 | 3630836 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-06-12 | LaurV | F05262040EB4AA21 | 3 | 3255606 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-02-28 | Stef42 | NF-PM1 | B1=3000000, B2=5989947600 | | 2020-06-12 | LaurV | C-PRP | M8231681/87980206529/1378493763623/111782011173569744071 : F05262040EB4AA21 | | 2020-06-11 | TJAOI | F | Factor: 111782011173569744071 | | 2020-03-20 | oodaira | C-PRP | M8231681/87980206529/1378493763623 : F05262040EB4AA21 | | 2018-09-25 | Oliver Kruse | C-PRP | M8231681/87980206529/1378493763623 : F05262040EB4AA21 | | 2008-09-08 | Will Edgington | F | Factor: 1378493763623 |
|
