n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 152: | \[152!!!!+1\] | 397 × 581661471087755957779053821<27> × 171135195833676477749570453949518672873<39> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 152: | \[152!!!!+1\] | 397 × 581661471087755957779053821<27> × 171135195833676477749570453949518672873<39> |