Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 636: | \[{15^{636}-1\over14}\] | 25 × 13 × 107 × 113 × 211 × 241 × 1697 × 3877 × 6361 × 30529 × 648509 × 4423381 × 6618762113<10> × 80469189271<11> × 144923043227<12> × 425802213061<12> × 19273082604001<14> × 69249662260776479<17> × 4408008907546865625019<22> × 2603667389751346537084259<25> × 12538427512587396303099241<26> × 1628505112656797934760689563<28> × 266257406176802127552803837537<30> × 578678122902962899594784923599634185845914441<45> × 332062133014530567101446988181237101124761625150982585825737963627976402056121<78> × 699303132993397297235043980358642906319705163618646917141738170083096532090488601301<84> × 116933951765336914893703900191149998381898191579770385511134226335980660124760305993842199<90> × [17475383632610562044802640547904812492040695757703201685598717240251127028007888282618806503701806254404623036602307944546602195709353320649887225044998859843047934986453138036792172528816545212138474022668795969<212>] |