Base 32 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 71: | \[{32^{71}-1\over31}\] | 228479 × 48544121 × 212885833 × 121932688511<12> × 8223125624363292839815514592697905768406610797334099385507174111379292321<73> |