Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 366: | \[{15^{366}-1\over14}\] | 24 × 211 × 241 × 367 × 1831 × 7321 × 7270591 × 234519435023<12> × 357847115029<12> × 14563562998279<14> × 1805790344137304843<19> × 107888962684389357049<21> × 42046850228759333970319<23> × 220692472927167836907173<24> × 581297171188805516982412738813981<33> × 66437728342254817921459404330630159646331<41> × 81395548488086772908775498506472824274649<41> × 2819789940760667093277268571230943740004509<43> × 278429522753620716334558341344444154267663080224158427<54> × 12667874697616549213524097597673780931423143450023004589742095662963549880967<77> |