Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 423: | \[{13^{423}-1\over12}\] | 32 × 61 × 283 × 1693 × 183959 × 1609669 × 1924651 × 19216136497<11> × 4659583936627<13> × 455036140638637<15> × 534280344481909234853671069326391741<36> × 6689332022177823873005978015409396373354270071109241328535423429328845721593<76> × [6023104194692394946062721056305098034120987299406845600270260854142981373612160555940159411935439845024847695936830447577445310466804356656063335610173648137900382263673116066625672505803447395649728417506123366044585738496272405160698691990324432203635030042563132752156360792835346582389294547<295>] |