Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 731: | \[{3^{731}-1\over2}\] | 431 × 1871 × 34511 × 380808546861411923<18> × 83409037264696307690489614635052488166993297850365365503<56> × [3374262049836727001872210534745021635884256587999315035800081546418056025305679246304605093070697034717889792619961867065885185504562681775777211135606649967379735603140979599959240277650162501346535887944057965635416945082367211525951505419185757586921186968390847<265>] |