n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 214: | \[214!!!!+1\] | 3169 × 357518479 × 823654216160183<15> × 1911541698479671846771<22> × 3216851440166922811378666598010495856505757562753192307<55> |