Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
74: | \[{11^{74}-1\over10}\] | 22 × 3 × 2591 × 36855109 × 136151713 × 2615418118891695851<19> × 2691614274040036601<19> × 10527743181888260981<20> |