Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 471: | \[{8^{471}-1\over7}\] | 73 × 852133201 × 60726444167<11> × 1654058017289<13> × 128217222737641<15> × 2134387368610417<16> × 32334725460268711<17> × 314657297435668730788373264911<30> × 4767828205180602862488887736985607398666751166000769605012698283856806259916006281652253453751<94> × 390372938370828343292296799213105221612066676274623606292878559465706515275496510987115368115386562192216496432124398223880823999951528705804329898195023695764875584653291066648008317429899252515741653528340375051076363401<222> |