Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 459: | \[{18^{459}-1\over17}\] | 73 × 17 × 103 × 919 × 991 × 23761 × 34327 × 88129 × 235927 × 253369 × 1464049 × 4464073 × 247842559 × 10364522023<11> × 10413571416962911<17> × 7563707819165039903<19> × 25383561616923867703<20> × 12987756239101305138847<23> × 213818099127345344099315823804116404264567927<45> × 642944494183502925312626186377796650764383068861962559<54> × [617816949730793042884950029342524246623949423936440718751499186415491811864027101011509025737444719054242590933233150267300680189951676858338578306724597502223948097519950939184107572923322495418828094443425183932540284807506175518969074820159459830875666559662549401746648481018410848501957082904091738278962781854829556808763505471<333>] |