Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 169: | \[{23^{169}-1\over22}\] | 242009 × 47691619 × 480393499 × 597348077 × 27813729956990626952291<23> × 66868902898799985259959043769894771627640190263060512706646046374593022574827279871387555583854079777968946308074149302489576503937298734512516721478611834074530482844972249407<176> |