tables > repunit > 20

Base 20 Repunits

Table

Viewing: 664 – 664 << prev next >>

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 664: \[{20^{664}-1\over19}\] 3 × 7 × 167 × 401 × 997 × 160001 × 343289 × 9625843 × 27817851030769<14> × 31071542862785053<17> × 2871487521092731391<19> × 67699047341756372583397<23> × 414249085636225553185611071<27> × 235651021741289990771266572272953<33> × 322312254747999902362170451754129950453<39> × 1538310379327087356765985018066468033557956350069<49> × 83455547904032715573705163300922396904169447963190045702401625064417196564490790868999751009<92> × 3450782245418370279848426808457001867619857847701049085429316185235323537750894081220168598532688234571474780420123846368385618285721<133> × [23204196595343899507065322537841467184664735572947954641137736516118087522730920345421145097561872196875199989803605962750905860925320586479340807042391371148926012585126534349495949622353542748838262127001748095671553938913190388046555064428710886594160628257009816471778187732477767812563846669386881541811841284583690601953204485979593149192604717149712065027571087872723246347082987771076617<395>]

Index range: 664 – 664 << prev next >>