n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 350: | \[350!!!!!+1\] | 71 × 6529 × 56587305967<11> × 8752129761861923<16> × 4062073269231455863121028274276457650531360384883<49> × 108797722149540557209295378661385171394762741014749128120675030782913<69> |