n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 198: | \[198!!!!+1\] | 6855007 × 721407779549<12> × 620497531734076626834183846577722223574838262487411902619660473079532129707<75> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 198: | \[198!!!!+1\] | 6855007 × 721407779549<12> × 620497531734076626834183846577722223574838262487411902619660473079532129707<75> |