n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 103: | \[103!!-1\] | 23 × 4231 × 642366756777203<15> × 1303981793146511302102376047062478672485294111383847542764792421<64> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 103: | \[103!!-1\] | 23 × 4231 × 642366756777203<15> × 1303981793146511302102376047062478672485294111383847542764792421<64> |