n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 154: | \[154!!!!+1\] | 8597 × 907999 × 1254997 × 237043493 × 5158399703<10> × 46345498069811896014076632680132909<35> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 154: | \[154!!!!+1\] | 8597 × 907999 × 1254997 × 237043493 × 5158399703<10> × 46345498069811896014076632680132909<35> |