Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 623: | \[{5^{623}-1\over4}\] | 179 × 19531 × 143291 × 9807089 × 14597959 × 68888849 × 834019001 × 8157179360521<13> × 231669654363683130095909<24> × 809822992762023538745441<24> × [113893749351229457783161596473263692373062521810796010980989176753159234627050037951057393651054369526165517294555870880645785212635692932377618394571560312164585186974036857062254999962589883702347738176219275858060425764713649049098150121764149435054645843071128550123720997977546326723297363049960284661560938729114965925751205059<333>] |