Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 245: | \[{17^{245}-1\over16}\] | 491 × 883 × 88741 × 966211 × 21998621 × 25646167 × 46331951 × 474969439337<12> × 1094794793219<13> × 77403382441351<14> × 15030659834591591<17> × 2091707590265557951<19> × 9920204637610139321<19> × 21174546269742403551077<23> × 3358880923623074922511442967567994832783689951<46> × 2077600550075550562696072844872098581307102240011840749567943471786888492034834125988783569779013515681<103> |