Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 343: | \[{7^{343}-1\over6}\] | 29 × 1373 × 3529 × 4733 × 8233 × 49393 × 734021 × 1074473 × 13473433 × 83517610741606021<17> × 6106505825833677713<19> × 1575721793366942921257214180187566081951195327261<49> × 5332902189180506011062825458257231496224162451930739764129433640419984473295700629112679816827699536947572893433715447735526112150735662969904956786361381280997666161<166> |