| 8392507 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| P-1 factors | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-21 | rucio | ABB233276F2C1C2B | 2 | 2817931 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-05-15 | oodaira | ABB233276F2C1C2B | 2 | 1603198 | 5 | 3 | | Factored | PRP without proof (not generated) | 2021-03-05 | Alex Kruppa | ABB233276F2C1C2B | 3 | 6567478 | 5 | 3 | | Verified | Certified Good | 2025-03-27 | MarkS | ABB233276F2C1C2B | 4 | 1211961 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-27 | Harry Bruce | CERT | Proof certified good | | 2025-03-27 | MarkS | C-PRP | M8392507/8764748255479/1536820815007173097/146157434771875909903/164127464709131124759193 : ABB233276F2C1C2B Proof Certified Good Proof Power: 8
| | 2025-03-22 | beep | F-PM1 | Factor: 164127464709131124759193 / B1=1800000, B2=8622634020 | | 2022-04-09 | LordJulius | NF | no factor TF: 65-66 | | 2022-04-09 | LordJulius | NF | no factor TF: 64-65 | | 2021-03-05 | Alex Kruppa | C-PRP | M8392507/8764748255479/1536820815007173097/146157434771875909903 : ABB233276F2C1C2B | | 2021-03-05 | Alex Kruppa | NF-PM1 | B1=80000, B2=1240000 | | 2021-03-04 | TJAOI | F | Factor: 146157434771875909903 | | 2020-05-15 | oodaira | C-PRP | M8392507/8764748255479/1536820815007173097 : ABB233276F2C1C2B | | 2018-10-21 | rucio | C-PRP | M8392507/8764748255479/1536820815007173097 : ABB233276F2C1C2B | | 2016-02-05 | TJAOI | F | Factor: 1536820815007173097 |
|