n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 303: | \[303!!!!-1\] | 23 × [371426034758494666366077123672162522911103695806651994956405463640436350561210714157003080102706849208040484784227599397098061717587544558308807849884033203<156>] |