Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 542: | \[{7^{542}-1\over6}\] | 23 × 4337 × 6780421 × 164514887 × 275566351 × 24272271317137<14> × 18578258282539321529<20> × 127962646077173632312199483013809163214497588966415507177987147170392729827682423052701976465899731717<102> × 12270789827436878734942569699415268721917326227004457742001668161532838127822588253081239300950793542259349049223<113> × 2437518019549667898791119515670687106452945731307045382724884761640594698958877580938613926761736928607380531831793465695134131297184938300546187743884138885818324614319689205583136593<184> |