Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 259: | \[{13^{259}-1\over12}\] | 1481 × 4663 × 5229043 × 67495678093<11> × 4287755796749<13> × 31964044249933<14> × 1616255895425473<16> × 2195165913268800371286782327591<31> × 86704913059499838277732024053436346983711<41> × 575724733659893404386347981944736158938326021182799<51> × 4571939939242488661393968685499144333359706028679235560167256993676277389043206280025387559172988801<100> |