n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 248: | \[248!!!+1\] | 32 × 1543 × 7792440137<10> × 2499180585262087533906449450297<31> × 508157895133214958545285264858513871681623<42> × 193713737336694477538295549277601925855811541717253695651128802002184732166809<78> |