Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
77: | \[{11^{77}-1\over10}\] | 43 × 15797 × 45319 × 1806113 × 593554036769<12> × 466345922275629775763320748688970211803553256223529<51> |