Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
209: | \[{6^{209}-1\over5}\] | 23 × 191 × 3154757 × 18873119 × 414230477 × 638073026189<12> × 84125065520563<14> × 39547815403982363610457333838688241066157<41> × 3740332261360244558756086670006736256763631522351531369572928560877647<70> |