Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 426: | \[{8^{426}-1\over7}\] | 33 × 19 × 73 × 1279 × 5113 × 17467 × 66457 × 102241 × 228479 × 48544121 × 56409643 × 212885833 × 13952598148481<14> × 69779014917427<14> × 2849881972114740679<19> × 4205268574191396793<19> × 84462210560148142953097<23> × 8970948423964301024591994817<28> × 203525545766301306933226271929<30> × 1329628131546931497103420134367<31> × 28435302301212461494420074814087<32> × 581211581673454706767349073071710126567<39> × 4856686864845032704799031665030860909072721381346530375665783654750574941128789505171<85> |