n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 181: | \[181!!!!+1\] | 2 × 163 × 1427766193549547250810871<25> × 912259614366578275825627004938773176710714529796759667331<57> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 181: | \[181!!!!+1\] | 2 × 163 × 1427766193549547250810871<25> × 912259614366578275825627004938773176710714529796759667331<57> |