Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
191: | \[{9^{191}-1\over8}\] | 383 × 311713 × 176349919 × 854888497 × 9593931911<10> × 5890868591760365434332005074929710400548909181468214858888800348369500317<73> × 22377672940509270880756801912134547524825420533660917137902318707609042309<74> |