Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
87: | \[{30^{87}-1\over29}\] | 72 × 19 × 29 × 9049 × 9629 × 53419 × 395677 × 157378520197<12> × 413997838119847<15> × 847499019384726257346113954958447091<36> × 4059779197159920316650571369305263994997087<43> |