Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 290: | \[{6^{290}-1\over5}\] | 5 × 7 × 11 × 59 × 101 × 311 × 32713 × 132241 × 168491 × 35969851301<11> × 2727192763388813<16> × 150433631394488258261<21> × 7369130657357778596659<22> × 71188611917485018014870131<26> × 3845077612354278598518780885281690026242583211<46> × 59580423676805748420140957215180302958743471829183098610333631<62> |