n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 236: | \[236!!-1\] | 26813 × 412938448189<12> × 220228754701769796897127<24> × [63841102071355058826483272684934812006636712874025389185362257635350106871960437677002036182149133089200009366442811579330895177705764495083691351809565463399860514620408390580459924772027041<191>] |