Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 169: | \[{31^{169}-1\over30}\] | 42407 × 45293 × 2426789 × 7908811 × 1032424381 × 5920504804553<13> × 12391645502426330473763<23> × 53144062154237462773639<23> × 246372614859100599467214820155305945180374502837206597583802072503165940026914058196652312626036879236919228129637005523900572987483338004521257374919215587252381<162> |