tables > repunit > 28

Base 28 Repunits

Table

Viewing: 680 – 680 << prev next >>

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

* 680: \[{28^{680}-1\over27}\] 52 × 11 × 29 × 41 × 61 × 137 × 157 × 239 × 613 × 1021 × 2347 × 5101 × 8807 × 9521 × 14561 × 29201 × 33049 × 41641 × 53951 × 84961 × 108529 × 302329 × 614657 × 637421 × 887401 × 412716481 × 809119897 × 45508138747<11> × 444007193911<12> × 2863024493281<13> × 80703286422841<14> × 2956126339800478546451<22> × 11417670288584615323561<23> × 148020807352107352204781<24> × [2817697085661693836700178853711540807045558599612092888953077074669415829735611193884625176010207991265704560072737943937769653507624282956440547530133286112797683605681252592968547061425517923634325786557038013941433232205693219781199966623285586363447271493465928614158477788284466331949857772507635706624476923537806665406468667093955649503727641343731161790123980510155705937794519194506374835449064024585546520901578074022199238830075752826620090681392288849539551456313028467951753254987427952166833973552899861984892018080082908725705025792494132100940260150775710724048495882218815978831582489321072520606137667563119802157707075158668202328264530913340232220585857671231185727459771888832729025266852655126079617003883643913083450067745301457422805917<760>]

Index range: 680 – 680 << prev next >>