tables > repunit > 28

Base 28 Repunits

Table

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

* 309: \[{28^{309}-1\over27}\] 3 × 271 × 619 × 15911647 × 122002174597<12> × 150116896618839783414413815639723722503874563<45> × 28150355675522488109636965612401128734245290826908506589397121157979341867837703405351492055414726012751<104> × [13325716045999170352812821962853503513309525427880955929339427098743944680504581480943059047678935484037893625713462825690580796415899568452913276419928533656199904238807717120896628317696651518158748916745977077447236322502906464691927772170025284847571833808312606982568509<275>]

Index range: 309 – 309 << prev next >>