n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 111: | \[111!!-1\] | 24 × 509 × 1350553 × 350397302444757503600623468626632354270044594135626087980136140592735768321386107<81> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 111: | \[111!!-1\] | 24 × 509 × 1350553 × 350397302444757503600623468626632354270044594135626087980136140592735768321386107<81> |