Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 543: | \[{8^{543}-1\over7}\] | 73 × 1087 × 43441 × 1164193 × 7648337 × 85938729049<11> × 7923871097285295625344647665764672671<37> × 31757383835587992312674130892937742199<38> × 534955385319592511227419175872576025063351<42> × 2307880312514050317434773233753379487634082230810808744501836223<64> × [4161201881603610988613636123877234436782128088656491250507982732031321510936219408045112998960720804556932621001195714838407729109544986073370498444413607301711770229855556238233098110379163091489710187280837411687156811435582689505362975354906602449585827456012933853173392551<277>] |