n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 275: | \[275!!!!!-1\] | 163011390079<12> × 16996630141268035931<20> × 1271891821579331458982899008638783786026415114789739948428753001125496437179156051<82> |