Base 35 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
53: | \[{35^{53}-1\over34}\] | 107 × 1061 × 1774304981790812718617292578146781123211516929928564634216485789013235415343<76> |