n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
191: | \[191!!+1\] | 2 × 60129963807289<14> × 37571043546150975736164339431090987459031742939583616872985155388174536356587553762407163130611489990592842264841383479739118854225528258473505968048620358234432617<164> |