Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 558: | \[{7^{558}-1\over6}\] | 23 × 32 × 19 × 37 × 43 × 311 × 373 × 1063 × 1117 × 21143 × 117307 × 149731 × 161263 × 2458549 × 5463751 × 9754399 × 2015984789029<13> × 2211164386353499<16> × 5420506947192709<16> × 3999088279399464409<19> × 37181027273307023448030259<26> × 36148617745189465516342817701<29> × 21997634133124705942517215606813138917763<41> × 3866324488620374693778318657223462067867054779<46> × 180077779912120127429478710616750081544757209423051771943467<60> × 8248454734032306396350042707176588234070405742014804291507291<61> × 15849172926843517537434671961543993863907901060357318207754249397778671924792284400067541539<92> |