Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 386: | \[{7^{386}-1\over6}\] | 23 × 14669 × 7542501761<10> × 64335170279671<14> × 85728285355409267895679<23> × 756937155910390044916932629<27> × 5994946327304712468705571873826831<34> × 4539546970485536436424707475812653713<37> × 81731259002098132847866542087337412273<38> × 5023922419530075554880849680462185748909<40> × 651365776395861857855186870266899083424954064983443294362054428437533833518559392220876803089465219<99> |