n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 274: | \[274!!!+1\] | 169486139 × 1078321529713<13> × 565051619554021<15> × 9311661644223856302665692506379<31> × 2753096706639526593278414479918703<34> × 6751833819698395130669102324436188000941697013263031363519914096385435665711567126459<85> |