Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 545: | \[{7^{545}-1\over6}\] | 1091 × 2801 × 2156171040211<13> × 2470529440391<13> × 14551288401737861<17> × 63505707690048880101785428103<29> × 1184863270278036919304373899404891<34> × 23540782932240399632107200158745339309941271547<47> × [15047560828550163074145812225437579048695279344895874974925782770926851805676410995834333735992843836859375381649854054606227615450243357928474695238936498414478797358816557427476203082175805186534969140319293795714048388108355178025988823373940059343886569914747745669423803795360598340559472515961276221<305>] |