n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 219: | \[219!!!!!+1\] | 71 × 373 × 9109029150751833649<19> × 25195514438942858180082820968384234555721577358786257778441131<62> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 219: | \[219!!!!!+1\] | 71 × 373 × 9109029150751833649<19> × 25195514438942858180082820968384234555721577358786257778441131<62> |