tables > factorial > f2-1

n!! - 1

Table

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

* 205: \[205!!-1\] 2 × 383099 × 8054158734171657536701581690721<31> × [9035874216639725243954983280861014914000792881797967156109678230020235904318117390826101442727282642755360745988412157741458895097499148236291851373140659453<157>]

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