tables > repunit > 28

Base 28 Repunits

Table

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

* 211: \[{28^{211}-1\over27}\] 2215831638911557<16> × [3744933324689628896345160702542062945626637590727326258824772320538576164868351094990712571538455176634067630386491943003818718770668222053296486305270614939495365356461580343242213486982527605829548001561372059837222134382864235381846847629553132444079434967372488398973148937505654135689<289>]

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