n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
231: | \[231!!!-1\] | 30955733 × 92362987 × 319429561084741<15> × 121740856851004367815584477433423913132967761535840163<54> × 7148289528371368584932825672585993506219274521488148777668956454343<67> |