Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 71: | \[{30^{71}-1\over29}\] | 2557 × 55640287 × 7357260409416410663267<22> × 24738585819770564922052192587801246835541123437986957888259904144979827<71> |