Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 342: | \[{7^{342}-1\over6}\] | 23 × 32 × 192 × 37 × 43 × 419 × 457 × 1063 × 2053 × 6841 × 19609 × 117307 × 351121 × 538309 × 18684829 × 879399649 × 4058036683 × 24006520939<11> × 4534166740403<13> × 9674698906207<13> × 6957533874046531<16> × 275430251632699963<18> × 74560887186814269973<20> × 3805658347924925639235001<25> × 175336938770236118176950803989<30> × 8717091179553077444766358030740709<34> × 586570628867364296441543447106691327380847<42> |