Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 399: | \[{6^{399}-1\over5}\] | 43 × 191 × 11971 × 47881 × 55987 × 188861 × 820459 × 1101773 × 109928491 × 1822428931 × 638073026189<12> × 164331230229374083<18> × 219815829325921729<18> × 5640242043129165715899642841<28> × 2503258139391324274352072172458469939793<40> × 2233934314632639115197089640522599067817629985127899<52> × 926660906012008836320903117401824980339272251515146726220880868514116953182453596061847197977<93> |