n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
158: | \[158!!!-1\] | 239 × 397 × 1054679 × 29595784608182123<17> × 32063960866133187413<20> × 171186853147596910763971852866515495720586115093<48> |