Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
142: | \[{12^{142}-1\over11}\] | 13 × 5113 × 19597 × 48058613330617<14> × 67012200840037529491338272681863005761074227988731301506393709<62> × 37984848524797723599443142193849504165878058073506632204903320475097<68> |