n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 325: | \[325!!!!!+1\] | 131 × 38776208367115082712771272998457555962493712497059<50> × 4400924313882207490058302006273114177962948044906070802129189514460017932148146385369<85> |