| 8328919 | Composite, with 2 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) | 2018-10-11 | rucio | 7F5FC88B27DC6278 | 1 | 4773758 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-04-21 | Igvan28 | 7F5FC88B27DC6278 | 1 | 4581442 | 5 | 3 | | Verified | Certified Good | 2024-04-14 | ATH | 7F5FC88B27DC6278 | 2 | 4111315 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-14 | beep | NF-PM1 | B1=1900000, B2=2264742480 | | 2024-04-14 | Chun sung soo | CERT | Proof certified good | | 2024-04-14 | ATH | C-PRP | M8328919/1284186394845026089/1021156278676807638243117983 : 7F5FC88B27DC6278 Proof Certified Good Proof Power: 8
| | 2024-04-08 | Stef42 | F-PM1 | Factor: 1021156278676807638243117983 / B1=141000, B2=210169050 | | 2020-04-21 | Igvan28 | C-PRP | M8328919/1284186394845026089 : 7F5FC88B27DC6278 | | 2018-10-11 | rucio | C-PRP | M8328919/1284186394845026089 : 7F5FC88B27DC6278 | | 1998-09-06 | Mark D | F | Factor: 1284186394845026089 |
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