Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
101: | \[{18^{101}-1\over17}\] | 83303993 × 1872059039 × 3649599443759<13> × 626388149046557420495518798876779665780160326894968759885306870794312655216755899839222252932407<96> |