Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
158: | \[{12^{158}-1\over11}\] | 13 × 162109 × 130479719 × 5434599708664429598203<22> × 270354982362100782692527<24> × 942482178219527648423785970493560472433<39> × 77370537348083186697234206796711379983732285083928961107335722804796087<71> |