Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 605: | \[{7^{605}-1\over6}\] | 1123 × 1453 × 2801 × 41141 × 65099 × 293459 × 17210864551<11> × 11795261559086963<17> × 58792315124013823398811997<26> × 5457586804596062091175455674392801<34> × 13928884340651233393054864060847158508075329<44> × [984147232604948334886624437433373306639929014729544706949988800409333295252592545300563021909055566186196424930848754177141163132906815877158699038281888568844948636897483241942419802657892502202148817052431216835447136228814234645591760108794557540738193203354327142438295157045238790470412181587108894506178396364156131877779608249874656092825594749839611<357>] |