n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 286: | \[286!!!!!+1\] | 97 × 14569201821470427543188252573643506927499517<44> × 487516576630770888174041797114406355852178198820809726759237671518550133<72> |