Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 355: | \[{6^{355}-1\over5}\] | 5 × 311 × 2974779760081<13> × 3546245297457217493590449191748546458005595187661976371<55> × 3606051765934752249146021693030658674181338436335115802421<58> × 5925676532655433302911437130920351508605708819989941962438003549512000355544800756479783709927914469187319896469554127535365096889988302676247056351<148> |