Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
65: | \[{17^{65}-1\over16}\] | 88741 × 212057 × 9882731 × 2919196853 × 42774218980741<14> × 256543213498592579101758761102741785511<39> |