n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 138: | \[138!!!!+1\] | 71 × 1951 × 6494542129594680237336341<25> × 1288570637283809777567581727941<31> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 138: | \[138!!!!+1\] | 71 × 1951 × 6494542129594680237336341<25> × 1288570637283809777567581727941<31> |