Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 214: | \[{13^{214}-1\over12}\] | 2 × 7 × 2141 × 6053633 × 116077045829<12> × 791958624719<12> × 3286126349184953<16> × 19968513360169668964438813128424526105976814973239628283106722206580247180654148334428039<89> × 1842708018885404721657218228344276394838382971121554990878798778219059086476647798269311913985066291<100> |