n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 108: | \[108!!+1\] | 107 × 163875890797<12> × 258756736991359324754008080146261<33> × 916531252570169597510058684701053897337779<42> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 108: | \[108!!+1\] | 107 × 163875890797<12> × 258756736991359324754008080146261<33> × 916531252570169597510058684701053897337779<42> |