| 8320409 | Composite, with 3 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) | 2018-10-09 | ATH | 3028A3B27AE18F1B | 2 | 3099163 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-04-19 | Oliver Kruse | 3028A3B27AE18F1B | 2 | 7244405 | 5 | 3 | | Verified | Certified Good | 2024-04-14 | ee33t1 | 3028A3B27AE18F1B | 3 | 494825 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-21 | beep | NF-PM1 | B1=1900000, B2=10261521270 | | 2024-04-14 | Jeff Sponaugle | CERT | Proof certified good | | 2024-04-14 | ee33t1 | C-PRP | M8320409/48593784527609/3213143247792263/1118911554719716753519 : 3028A3B27AE18F1B Proof Certified Good Proof Power: 8
| | 2024-04-08 | Stef42 | F-PM1 | Factor: 1118911554719716753519 / B1=141000, B2=210169050 | | 2020-04-19 | Oliver Kruse | C-PRP | M8320409/48593784527609/3213143247792263 : 3028A3B27AE18F1B | | 2018-10-09 | ATH | C-PRP | M8320409/48593784527609/3213143247792263 : 3028A3B27AE18F1B | | 2008-09-08 | Will Edgington | F | Factor: 3213143247792263 |
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