Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
191: | \[{13^{191}-1\over12}\] | 3674491999 × 34115367574721<14> × 84897381032489674968541203989617<32> × 4538970817154564215078705057080987865986041870163546082134872421907039050743554078777541114495339302259428158257065852924825203261513777183116533956818658421<157> |