Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 451: | \[{18^{451}-1\over17}\] | 23 × 199 × 16127 × 51217 × 134399 × 3811279 × 114341047 × 8584348433<10> × 27081815544697<14> × 415459235628458395083623<24> × 394867037344695962525971723264825927<36> × [935123324687729557356097072409048619613364002528842746571936685795476898069028201259308632405194137501124932550971898278346817228665438898981830444412346082945552010273531397377946276981583976258000665630057883065670556058401113523060526300117061923305346431484613488316670216807736029963755915639689075670024473111904969641824897271292743092619780089529993999671710094770043084557078863107228750094831986404465010394019384254150588974374078898934863<450>] |