Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
109: | \[{11^{109}-1\over10}\] | 35970728459102446279558069<26> × 903344592651066639838492820709976987862568330541660232234109502106802059231851745003701<87> |