n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 164: | \[164!!!!+1\] | 179 × 193 × 11812162930164610087099<23> × 396413832686146818569856952081470094016287474817<48> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 164: | \[164!!!!+1\] | 179 × 193 × 11812162930164610087099<23> × 396413832686146818569856952081470094016287474817<48> |