n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 74: | \[373\#+1\] | 4973 × 365313997 × 25276968433343666948419739<26> × 98806051966752313876046502107126302603441718173194041858510753647384759103354292038056898732074982955749560641049<113> |