Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 243: | \[{15^{243}-1\over14}\] | 109 × 163 × 241 × 487 × 541 × 21061 × 16354441 × 829049498029<12> × 1144576909923823<16> × 19803428495911816157659521610469429585428513632230232098351227<62> × 60340655725305667518172181830109608548996195187196416366369267214952181014474200428352493796561208895097317882097312261322471829725041857184663318528296426840092621922088201<173> |