Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 314: | \[{18^{314}-1\over17}\] | 19 × 258705857 × 835102540794307<15> × 512827566190506799<18> × 53078483693266259467586958497<29> × 7654094002250085598014789228777137123501123152816279<52> × 130540255219385288779246000766807224062385200804940269321446820315264020595807488505774439<90> × 7538586028195840128105874111562888260310648835156426721609672421510272228897553256050821178899816987086815214310505148146433800569788961750359020493442456984374620833594009381691593<181> |