Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 666: | \[{12^{666}-1\over11}\] | 7 × 13 × 19 × 372 × 157 × 223 × 1657 × 1801 × 2221 × 16651 × 47287 × 71263 × 80749 × 124543 × 3933841 × 5250079 × 17276929 × 119810607463<12> × 4150805645839<13> × 760423621162033<15> × 2616651769743883<16> × 30023720899326796981<20> × 12245270545202412137509<23> × 615366154824465215271421<24> × 141999918016191978214803181<27> × 14808645751988810312789743801<29> × 1331602837917505840054805334769<31> × 196560666553286126588980353347341<33> × 26885132550348176163707163735385393<35> × 1196408840938561086029281556942464469657460995400533142379321<61> × 15592019458621620999228691491972639833848312939922972550340772684601865121881<77> × 40443394859409363951638724658475321654963746480496253715892311379602136355397<77> × 460800089869190921983707017028122544209524176520602249782381908735149795083701<78> × 38748313567131472778446599423180994757702537515597147220077778890862551010792432745242104339<92> |