Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 318: | \[{15^{318}-1\over14}\] | 24 × 107 × 211 × 241 × 4423381 × 6618762113<10> × 80469189271<11> × 144923043227<12> × 425802213061<12> × 19273082604001<14> × 69249662260776479<17> × 4408008907546865625019<22> × 2603667389751346537084259<25> × 1628505112656797934760689563<28> × 578678122902962899594784923599634185845914441<45> × 332062133014530567101446988181237101124761625150982585825737963627976402056121<78> × 116933951765336914893703900191149998381898191579770385511134226335980660124760305993842199<90> |