n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
103: | \[103!!+1\] | 2 × 14176127214913419509754179945952878271062077113333996456539111375139316905395507813<83> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
103: | \[103!!+1\] | 2 × 14176127214913419509754179945952878271062077113333996456539111375139316905395507813<83> |