Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
221: | \[{11^{221}-1\over10}\] | 1093 × 27847 × 312937 × 3473237 × 3158528101 × 50544702849929377<17> × 1126168894058957269<19> × 13720057759140780365187158337101<32> × 63175972422516768191112129923662644433466537589571<50> × 2725974030139294038664162923785383434030382026594251871946130705305572466226637832273<85> |