n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 81: | \[419\#+1\] | 1996109 × 12057377 × 148015898637479<15> × 6900895672359645977<19> × 284316574965885290204055987740309450145331357820478150228056189978762215241707094513510236528016523899984807424197315017789<123> |