Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 535: | \[{8^{535}-1\over7}\] | 31 × 151 × 9631 × 12841 × 95231 × 192601 × 4404121 × 879622391 × 2969179020481<13> × 5030246652721<13> × 17866285599391<14> × 160522462347361<15> × 535391870843348521<18> × 69691269558104299547311<23> × 331343920853356078376431<24> × 390922820688085707200111294311<30> × 162259276829213363391578010288127<33> × 23718232032401560617445166686464799001<38> × 2645097367401796494779071821252585360713370368201<49> × 210516800089955301807292488792588188869650399862249<51> × 125119845489605311055826605824411409324183748332757137176441<60> × 89018716690267863512080444131190777890233230111624347318122480173529521<71> |