Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 363: | \[{18^{363}-1\over17}\] | 73 × 23 × 199 × 727 × 16127 × 51217 × 103577 × 345577 × 586367 × 300937527001<12> × 5813262106081<13> × 12042065697120681040605799<26> × 27227533543753365982438399708085484080831743771008849850932265278999273377354114546362618762214332158687286162186495539771649<125> × [2390617201514328487535836464664926694123541141266888678128182361201460788851507070391189289480622925674781987710428038912404392473996830804842864709815755859594570549534962191390456841115144248074490699725462476742995184055869091836492306919030177<247>] |