Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 189: | \[{23^{189}-1\over22}\] | 72 × 19 × 29 × 43 × 79 × 379 × 4591 × 160651 × 170689 × 644869 × 5336717 × 7792003 × 15785281 × 408030421 × 978769387 × 5599009333<10> × 44765293701223<14> × 273836843403890391876716767<27> × 17531132493408736090051007181285730324957<41> × 857154232620792007684510744353576437644914847<45> × 13855626012651354334775863229550874294019995216059247<53> |