| 8328427 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-11-04 | Peter Doherty | E10BC4231A28BB0D | 8022611 | Windows,Prime95,v19,(aka WV1) | | Factored | 2003-03-07 | Ludovic Ferrandis | E10BC4231A28BB0D | 1693205 | Windows,Prime95,v22,(aka WY1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-10-12 | EthanD | 5697A3608B286F14 | 1 | 3498561 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-04-20 | Igvan28 | 5697A3608B286F14 | 1 | 7495036 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-14 | beep | NF-PM1 | B1=1750000, B2=6798611820 | | 2020-04-20 | Igvan28 | C-PRP | M8328427/22810676594135322553 : 5697A3608B286F14 | | 2018-10-12 | EthanD | C-PRP | M8328427/22810676594135322553 : 5697A3608B286F14 | | 2014-01-08 | David Campeau | F | Factor: 22810676594135322553 / TF: 64-65 | | 2012-08-01 | firejuggler | NF-PM1 | B1=95000, B2=1662500, E=6 | | 2003-03-07 | Ludovic | C-LL | E10BC4231A28BB0D | | 2002-11-09 | -anonymous- | NF-PM1 | B1=40000, B2=390000 | | 2002-11-09 | -anonymous- | NF | no factor TF: 1-64 | | 1999-11-04 | -anonymous- | C-LL | E10BC4231A28BB0D | | 1999-04-23 | -anonymous- | NF | no factor TF: 1-63 | | 1998-09-13 | -anonymous- | NF | no factor TF: 1-62 |
|
