n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 180: | \[180!!+1\] | 4447 × 6121607 × [67562051040975515167805641034529417884030339452590716114146017898383553940551711808778222898813969696530676884176914478893578848411046838547335975014697769<155>] |