Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
137: | \[{17^{137}-1\over16}\] | 2867959 × 204070572329107403<18> × 15832454267464524919146103542746659918118741099969733081846783525131<68> × 25146681606794432976612701774796950055522011530451406067187213055909358904503<77> |