Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
89: | \[{11^{89}-1\over10}\] | 73111721 × 2103114787086589<16> × 4180235017418376525776333<25> × 75144689824702198592013444969850173811994737<44> |