Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 715: | \[{8^{715}-1\over7}\] | 23 × 31 × 79 × 89 × 151 × 881 × 3191 × 8191 × 121369 × 201961 × 599479 × 724153 × 17286204937<11> × 96001053721<11> × 158822951431<12> × 145295143558111<15> × 347878768688881<15> × 249602191565465311<18> × 598887853030285391<18> × 5782172113400990737<19> × 2048568835297380486760231<25> × 134304196845099262572814573351<30> × 1065107717756542892882802586807<31> × 167833515549285827885461382441449<33> × 40437156024702109576962112690515640573348784018939257192870865875822732631168387328482154414164150624064713711<110> × [172224139103423022286201271580931135073878241381708672199402461880999702850003175151634987595118640994409010111012752024469807416840927983195492602492097087146299158285434237783465513657851897190737565018646287081330676283580531584581898254222259617113570869991711<264>] |