Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 193: | \[{22^{193}-1\over21}\] | 19301 × 121658727962291081<18> × 248104717426602165441595447562900420590827382432816028238485788478335070239818297718495952893996407203952508659415890804296919781691924027990959144487946181793254737820870357055885727251050909532734715957807854615287455364739031811751951<237> |