| 8427961 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-29 | Oliver Kruse | 5CA54B646D895772 | 1 | 8147372 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-05-27 | Luigi Morelli | 5CA54B646D895772 | 1 | 5013037 | 5 | 3 | | Verified | Certified Good | 2023-02-21 | Perig | 5CA54B646D895772 | 2 | 6653919 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-05-20 | Stef42 | NF-PM1 | B1=1025000, B2=2213224650 | | 2023-02-21 | curtisc | CERT | Proof certified good | | 2023-02-21 | Perig | C-PRP | M8427961/3929519960329/239122416395624530537 : 5CA54B646D895772 Proof Certified Good
Proof Power: 8
| | 2023-02-15 | TJAOI | F | Factor: 239122416395624530537 | | 2020-05-27 | Luigi Morelli | C-PRP | M8427961/3929519960329 : 5CA54B646D895772 | | 2018-10-29 | Oliver Kruse | C-PRP | M8427961/3929519960329 : 5CA54B646D895772 |
|
