Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 376: | \[{18^{376}-1\over17}\] | 52 × 13 × 19 × 113 × 929 × 1129 × 4513 × 20681 × 49633 × 468121 × 168785273 × 220304417 × 1286609209 × 1410240077028737<16> × 2156450281888888469625703321842052657<37> × 8694595042987947457948937711495049931245163<43> × 1502121672400075410467476353807805512381470434411741<52> × 283000552804612324998031105442040281801013193565594903<54> × 151703658744732204093388190298075747507498365965888027164997859861753413258714776364769<87> × 4363627743515950447493477391060145653833860817878930046885259213194335996454648705402912312738405335277754474214152304971996368017<130> |