Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 163: | \[{17^{163}-1\over16}\] | 5869 × 97718695927<11> × 39857717977451692115033083491526346334581184120419991651675135412574055686169343344496040170051381118550314348609640772131405561769988650436580638291021521947205265641331385597149031289<185> |