Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 292: | \[{15^{292}-1\over14}\] | 25 × 113 × 293 × 877 × 1607 × 5449690713997<13> × 52520601112477<14> × 2538863031370281918989<22> × 2971128156948325838993<22> × 50068166101672509091607457078148036464264953<44> × 238996700225355423943701768229971843455001883984679417<54> × 9498574454554227751032485526115157395161031829822992999663487723815017273020611<79> × 5111329463430071646630167819950683399621676569261698373582346123709742512021745954241<85> |