Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 459: | \[{8^{459}-1\over7}\] | 73 × 103 × 919 × 2143 × 2593 × 11119 × 71119 × 131071 × 262657 × 97685839 × 246083671 × 407770693450231393<18> × 24418671951944649151<20> × 75582488424179347083438319<26> × 49848448234572624009465371493197779785120970152607<50> × 2643524023363579325052127282784699830601181438934303567944805903<64> × 189082002075424011477886614301549173695428071625079360491589557347931699686614037217967025482947024934550680219857180086987660114598776063501291885620576471852271119148564904838110302991657<189> |