n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 536: | \[536!!!!!+1\] | 503 × 1093 × 9521 × 121492580881823<15> × 1846825386408043206007<22> × 17867307631434864159812526163268451427993474723222503396267080895964667443297819506198400066955033848787310317497072055596268453605068793509926684634391633079134702971784056164178269470714754843930323283<203> |