Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 427: | \[{13^{427}-1\over12}\] | 4027 × 4759 × 7687 × 27817 × 5229043 × 92110001 × 4672993939<10> × 48401662036451<14> × 87103671046409436847<20> × [96570555840486742376183834796705220494556239764009242152228477010017516551801007239275218886336944360533898782357753728802427544514465775512057034378549978600996751789774495416130141148296041627806794301190325400474250656249020759449415506837744052637209188603081801918096534877642617990222339492177350710187908712864154034694365179998331385175726318241554347119170558173760439132800885367759161394001<401>] |