Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 814: | \[{8^{814}-1\over7}\] | 32 × 23 × 67 × 89 × 223 × 683 × 1777 × 3257 × 3331 × 9769 × 15467 × 17539 × 20857 × 158731 × 321679 × 564103 × 599479 × 989011 × 3357751 × 10832713 × 25631233 × 25781083 × 26295457 × 319020217 × 616318177 × 2248206137 × 3068001817 × 107775231312019<15> × 25330067076999169<17> × 5083469670561297247<19> × 1826375940722234754636475033<28> × 42897689055449636582684640379732099<35> × 93189126452944019033888022519639331350438619<44> × 64374964789425759023795123420605218308370931223311543823123770088423<68> × 482645325313503025981502216185653048991666620039628706089414415640986221463013553<81> × 2131128664337803246219779927029398793623110312633606602236824557946245832612656847590989921433878483045939802906126659<118> × 9468219926376610351814630667055791258927241579222865577983532752324517780609767507897909170281482115409756566262338855699794413125837039166040422263601623990310256781862303273<175> |