Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
194: | \[{13^{194}-1\over12}\] | 2 × 7 × 389 × 971 × 404094629 × 93964390627<11> × 2649670037989481306648479727588559059666394088223938940478532104361128850279248331066898797<91> × 199477565830561490918343537282564250622479600896454539326314489971786931515582743635451205193185389<99> |