n! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
83: | \[83!+1\] | 10811609604036317029608459617<29> × 87412028241538313796066638390601052517731154371<47> × 41748716985598095114550706166150405267000703108043<50> |