Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 388: | \[{13^{388}-1\over12}\] | 22 × 5 × 7 × 17 × 389 × 971 × 289837 × 404094629 × 1180346441 × 93964390627<11> × 2249753895467636981<19> × 2649670037989481306648479727588559059666394088223938940478532104361128850279248331066898797<91> × 199477565830561490918343537282564250622479600896454539326314489971786931515582743635451205193185389<99> × 9733366867063266595309978271611391359775115594178413776121237792248798503571006137001740632021417748244655093866470154899673026216911732308358468145982560893063942625211017472231401<181> |