n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
197: | \[197!!!!!-1\] | 52 × 907 × 13397 × 183461 × 526997 × 6543866801<10> × 1897454309738346685350750405717449159968199513<46> |