Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 243: | \[{23^{243}-1\over22}\] | 7 × 19 × 79 × 4591 × 5356693 × 6800113 × 7792003 × 14945797 × 15785281 × 44765293701223<14> × 330905073113497<15> × 59679899512256809<17> × 1088774249552970415950511<25> × 35157512647661402580746419<26> × 438188079283695892058945548003315770403<39> × [7535855534222631868728707584075048389262500073625579321574218168430377396817768623935583049115762920546014023553764849256814488798948362648985754930898687<154>] |