Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 462: | \[{18^{462}-1\over17}\] | 74 × 19 × 23 × 43 × 67 × 199 × 307 × 449 × 463 × 9241 × 16127 × 25939 × 46747 × 51217 × 80207 × 536801 × 6301307 × 32222107 × 554461601 × 607371619 × 8575134569<10> × 156107192084257<15> × 1307704946493331<16> × 7741563936876515923<19> × 1488576527169778147234057<25> × 2326148982046284970408681<25> × 3985132156298115037385017<25> × 12042065697120681040605799<26> × 17854367550286324031233665019124927309290161073<47> × 459958853280876530765795091653687318180534563911201974971<57> × 8103697934678033188543568550401446498785384127589956395434737<61> × 4226158024555207354137717207823767090063569445942721682870403141495192673<73> × 766012447493027570237922103194585722024985972878450019247729707427701878868842868267459548289373355479<102> |