n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 215: | \[215!!!-1\] | 34 × 38127317 × 881578219 × 117638592100459<15> × 5061062937144824477215448415443505158026690829082887<52> × 150839658043782427953438258753682869319370112342088381<54> |