n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
199: | \[199!!!!!-1\] | 52 × 6701 × 451254227458253<15> × 1009962159772633<16> × 516464128141097603<18> × 77140417688531953267453<23> |