n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
213: | \[213!!!+1\] | 89 × 237877 × 63651979847<11> × 4739342481947416519804413717581381939261720266920115847334304248123880946825372398971947521030103398562554801329204211<118> |