n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 49: | \[227\#+1\] | 3187 × 31223 × 1737142793 × 11463039340315601<17> × 973104505470446969309113<24> × 43206785807567189232875099500379<32> |