Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 254: | \[{12^{254}-1\over11}\] | 13 × 7621 × 1373887 × 2567179 × 88750555799<11> × 2580485967752214559759<22> × 2597995311343175210111334225450311<34> × 3297733393711855795526315949469237174164031<43> × 38259450183747722662953355715066513089944300600363599149<56> × 44855543002825033697720871057672263756865146750479219690596162336002077638062228173536814333<92> |