Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 69: | \[{30^{69}-1\over29}\] | 72 × 19 × 139 × 277 × 461 × 691 × 2716117 × 148927117 × 1733583601 × 9846720119<10> × 1377813914401<13> × 6785569740223<13> × 39031013628636929184463857169<29> |