Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 424: | \[{19^{424}-1\over18}\] | 24 × 5 × 17 × 107 × 181 × 1697 × 3833 × 4241 × 18869 × 104095533511<12> × 323930821687153<15> × 2551089855701675251204783<25> × 37334173314913678536474517<26> × 210146007928707977384770009<27> × 135818088892456368195992838307<30> × 304608770494258116955904675708809486196490095946728010907908555262777369830710484902087388474935136518254221884600714161059277<126> × [22556795032332890631844495136391575179003956259974551434447059826805652016903023197389374893352977077208944300694266969594546928379725145168667446267427552813251378447668871298676282497609838451968497788837940818530687046314093858617657231376018153465862576459281<263>] |