Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 582: | \[{18^{582}-1\over17}\] | 73 × 19 × 307 × 3881 × 4657 × 11059 × 29683 × 4777057 × 14493466772923<14> × 11299071543690131<17> × 9595127627289904723<19> × 8790957895295260211869921<25> × 130958018700810567361260919261914712849<39> × 481492846255843877217404163728465345929<39> × 6682028674792021850499658634432979974620281094975260236296555044282940787318279<79> × 24317603751712749635475135065385713108463798602853624073122980303672606287841053760718599828659466819<101> × [245550197189395682554915678127900484269475707521636295928809955494757897261528395716518212292896599163990732423258652390943923590832719797469528481051529633<156>] × [1105441259126770523293212652036616079467890154912541712629324475043214034350971117879990543937258419249898831372606220455299879693945756539921310951818912940015648077671373656708760832168687948433026394548793728169031<217>] |