Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
111: | \[{11^{111}-1\over10}\] | 7 × 19 × 2591 × 36855109 × 136151713 × 2615418118891695851<19> × 651950416864148392635280596760630561<36> × 1333498382953465564843320786357871664401<40> |