Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
159: | \[{15^{159}-1\over14}\] | 241 × 4423381 × 19273082604001<14> × 69249662260776479<17> × 2603667389751346537084259<25> × 578678122902962899594784923599634185845914441<45> × 332062133014530567101446988181237101124761625150982585825737963627976402056121<78> |