Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 236: | \[{22^{236}-1\over21}\] | 5 × 23 × 97 × 1181 × 1005612521 × 2288129166742313<16> × 445117398832960434677<21> × 1549905037916726083960455484866978507264459523699<49> × 332076648067531277428380418301349195312522623622779384422542859<63> × 444513239667726468016466457283190721957212640648732757423535491768473661948462412902583486774025648006257229464124198697122319968704663144694747161584529<153> |