n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 301: | \[301!!!!-1\] | 23 × [14400152501942110902100466654884737061294047044813468017926446453449209589352485128969776079611685207196804454353931562964218568999236365611145496368408203<155>] |