| 8320903 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-11-10 | INTERSHOP Communications | 534328C8B2D5DBD5 | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2002-09-22 | Tofer Chagnon | 534328C8B2D5DBD5 | 6159818 | Windows,Prime95,v21,(aka WX1) |
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| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-10-14 | Oliver Kruse | 306329A9E08A34DF | 1 | 2499935 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-04-18 | marssystems | 306329A9E08A34DF | 1 | 4071638 | 5 | 3 |
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| History | | Date | User | Type | Result |
|---|
| 2025-01-03 | Stef42 | NF-PM1 | B1=1109000, B2=1520760150 | | 2020-04-18 | marssystems | C-PRP | M8320903/16573043607354018585074351059649 : 306329A9E08A34DF | | 2018-10-14 | Oliver Kruse | C-PRP | M8320903/16573043607354018585074351059649 : 306329A9E08A34DF | | 2012-01-13 | kurly | F-PM1 | Factor: 16573043607354018585074351059649 | | 2002-09-22 | toferc | C-LL | 534328C8B2D5DBD5 | | 2002-09-14 | toferc | NF-PM1 | B1=35000, B2=271250 | | 2002-09-14 | toferc | NF | no factor TF: 1-64 | | 1999-11-10 | netconx | C-LL | 534328C8B2D5DBD5 | | 1998-09-27 | -anonymous- | NF | no factor TF: 1-63 | | 1998-09-13 | -anonymous- | NF | no factor TF: 1-61 |
|