Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 570: | \[{7^{570}-1\over6}\] | 23 × 3 × 11 × 192 × 31 × 43 × 191 × 419 × 457 × 571 × 2801 × 19609 × 36671 × 159871 × 351121 × 523261 × 6568801 × 879399649 × 1966385431 × 4058036683 × 24006520939<11> × 4534166740403<13> × 1765151799417091<16> × 6957533874046531<16> × 275430251632699963<18> × 643475985978004141<18> × 93586760776923620671<20> × 2440590160473742205021<22> × 3266720400198850302821<22> × 80183934664292567561851<23> × 188783917797883464042250083871<30> × 83588499889013461558350575326824370345112529401<47> × 14647063040739096932514535006129272666792334298320134861724147176214623121<74> × 357205912077628319562737806549880741960086170917475549379643771124231098491<75> |