Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 316: | \[{15^{316}-1\over14}\] | 25 × 113 × 317 × 65413 × 289141 × 7113319 × 46872275419<11> × 102274698919<12> × 8508107485100663161<19> × 62117692148169172283<20> × 2826732232122397992324383<25> × 2712991290042751533688943760394553<34> × 23436950892492777603037014892623155527038852973<47> × 635202924304143926394929553206270861232915983823448379207983060226587253234146827953<84> × 706800608504676063594989207520405442181251150293989196938897379803367256846036874042429295281873033<99> |