Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 189: | \[{6^{189}-1\over5}\] | 19 × 43 × 163 × 379 × 2467 × 55987 × 8387947 × 10644859 × 616332907 × 1822428931 × 5239858051<10> × 623067280651<12> × 292645031213683<15> × 352252375401535450648631882380604036787279429000462986049158593<63> |