n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 393: | \[393!!-1\] | 24 × 26783 × 7850509 × 28230239267<11> × 2203802154487<13> × 8544448748449<13> × 455178626126596873<18> × 14648775737524841243<20> × [67722734329257100763013897870702246843057051221765599790828647636501034838560599749161123804280519017111998971557775169083406977414083135371636779198288652841960810041214803960578853173709237085887085196574132469664587104147174447089659670277551077348199327354539147063974941679107058374109727036783886297607660285230268470592409216201979223<341>] |