n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
549: | \[549!!!!!+1\] | 263 × 128046013 × 2660691031 × 1548938675969<13> × 2955526546205513475341055780390058040810713280891010662261081624659807736388750389669094858168867782203457556324795666294095330182636728441315018187692448482442664746346715024827949041555063358730392793465415603609862018997<223> |