Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 138: | \[{30^{138}-1\over29}\] | 72 × 13 × 19 × 31 × 47 × 67 × 139 × 277 × 461 × 691 × 1933 × 2716117 × 89541163 × 148414723 × 148927117 × 1733583601 × 1982852173 × 9846720119<10> × 1377813914401<13> × 6785569740223<13> × 21956442933767<14> × 14380755448480627<17> × 34140313913055733<17> × 1197445527347544227479<22> × 39031013628636929184463857169<29> |