Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 426: | \[{3^{426}-1\over2}\] | 22 × 7 × 13 × 853 × 2131 × 5113 × 82219 × 210019 × 49682251 × 55126531 × 3099719989 × 12685215427<11> × 4052490063499<13> × 13055351529193<14> × 22716867932413<14> × 115264393627813<15> × 3613512804721129<16> × 89665588664737776553<20> × 84569390002476091110121<23> × 3754733257489862401973357979128773<34> |