n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 443: | \[443!!!!!-1\] | 643 × 1381 × 1553 × 2424953 × 1317865651 × [67387754025173200251542835841244740949746797983631059387085009503643955252013425059613964441076290399960748008291230168574869299546241546598879348226471567065253887469024371<173>] |