tables > factorial > f2-1

n!! - 1

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 389: \[389!!-1\] 2 × 577 × 19013727547954998650505829<26> × [239509929935491036875265061681789916456666597522279019570311831882944475691582223989187317530549795975805139473077682824057720266592546573901188509942566825373756192286776155009828664006756988443478076406681744656602824750468094796014781787859001921804990745686556641398881084057573458879278959746534720943784952661517536616571482158009857634748872246202278362370069985860394777187633788970939<393>]

Index range: 389 – 389 << prev next >>