Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 482: | \[{7^{482}-1\over6}\] | 23 × 1447 × 28439 × 148457 × 90728789 × 185733701631563<15> × 620299344228439<15> × 7301646764233669<16> × 33486078253526557<17> × 580351872045743557<18> × 667245220429235891<18> × 187553380824058857638969<24> × 547283138069536869412948975377385222182769003<45> × 2937026550451562627666151150279078330125909163812627<52> × 60453009092135246248533286448209615125383370497353512794300358913<65> × 41102537872612199729990170810268296161145403184078604916851757192509923305718205810478416461987326036591<104> |