n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
225: | \[225!!!+1\] | 151 × 1693 × 59786593 × 779817735962831112653<21> × 21036751144117037269848223<26> × 358608932214980656913703292493<30> × 167832180330562648479648844415116925900697506534116330597<57> |