n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 398: | \[398!!!!!-1\] | 52 × 2801 × 106885176782463649<18> × [91900853318729363265778803960554575473620303683746454713170840674868064872125724805750652489773089569837463534259771163748656792263434214605255193005287<152>] |