Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 611: | \[{7^{611}-1\over6}\] | 1223 × 298169 × 16148168401<11> × 80614984399<11> × 3364901012227<13> × 8715379679683<13> × 13722816749522711<17> × 63681511996418550459487<23> × [31017584480097401717124527810326479365663020298715983476144527232858091971760502352884906213099196262307993862619792064518901338455746870562863925362294781959304836350076092594322665360925975464735365150824201764840394337373312872039485219327116276462346039128927422642016839008742719099269900800704027345822677364093748246270335667316708308476421180620249276056849672227011881523821239488796619117832449417057894065176697<422>] |