Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 564: | \[{18^{564}-1\over17}\] | 52 × 73 × 13 × 19 × 229 × 283 × 307 × 457 × 1129 × 4513 × 20681 × 49633 × 66271 × 468121 × 904093 × 168785273 × 220304417 × 1286609209 × 1092558562609<13> × 516850501955569<15> × 53549301939312088918321<23> × 29170075382786285337407711701153<32> × 2265788967915227678109312241889713<34> × 1168075952295286774045290370148972359<37> × 2156450281888888469625703321842052657<37> × 164553564709154162283579361428414340468207<42> × 8694595042987947457948937711495049931245163<43> × 25330508436484604120287816472531480242412180009197<50> × 1502121672400075410467476353807805512381470434411741<52> × 283000552804612324998031105442040281801013193565594903<54> × 678903675613209285267579769752837670811294231437424677<54> × 35292141593797966879199518765762801883439360395686369609<56> × 220457930534194381670375886710641169993751935482403750882949134942603317518891374824843308606626737<99> |