n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 131: | \[131!!!!!-1\] | 5 × 7877 × 153994763283506503783<21> × 207998915149161639761<21> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 131: | \[131!!!!!-1\] | 5 × 7877 × 153994763283506503783<21> × 207998915149161639761<21> |