Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 82: | \[{29^{82}-1\over28}\] | 2 × 3 × 5 × 83 × 2789 × 20747 × 446983 × 812129 × 1453369 × 5055629 × 3711544517 × 350069058439<12> × 188259475347389<15> × 248807517236987713<18> × 1260314033917609966966100427937<31> |