Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 338: | \[{7^{338}-1\over6}\] | 23 × 53 × 46307 × 228511817 × 16148168401<11> × 39899177220516741740469143831233<32> × 1452979915402500135854417362573926368874134931212567<52> × 471014884186461786359976424959315520118992312411810290816288422077055549979204503<81> × 370410813016801308055166465953435507291482379612798032330729766179995030547102227967888187702271<96> |