n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 406: | \[406!!!!!+1\] | 449 × 1180093 × 8596125221<10> × 384521907401<12> × [3595942559399115286910101179075159938384954007631931373257823354972726931900527777980479535770338863378509847409778731341516967685284897763334927081<148>] |