n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 231: | \[231!!!!!+1\] | 241 × 243487 × 31293443148031341173183893310333796200678054547067250917752491633537730091123761871<83> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 231: | \[231!!!!!+1\] | 241 × 243487 × 31293443148031341173183893310333796200678054547067250917752491633537730091123761871<83> |