Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
223: | \[{12^{223}-1\over11}\] | 1423187 × 23385119 × 14130288853<11> × 43954882455277<14> × 1006249991892868346686216789<28> × 19859100720114474489313113637071961221480928125150209606330532671794286629560670273390015066456652858961995332831089216156374156651327679662341127236084513886709549800811845341<176> |