Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
404: | \[{3^{404}-1\over2}\] | 23 × 5 × 379963 × 33034273 × 1189912513 × 465092326319<12> × 69531972955397<14> × 96207837407260037<17> × 50316775668019759306202964023<29> × 1017291527198723292208309354658785077827527<43> × 30031942012227933219100853982463211359125974731460998393<56> |