tables > factorial > f2-1

n!! - 1

Table

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

* 285: \[285!!-1\] 2 × 376003 × 347299376895017561130696581<27> × [77570210679293364678018561168970118124615675422469142019643209512519639555409050237693879968442714756131584933911186972633355050910996890307736969473407037469961066757370305554750143733022569696947083352799500516978460038046537463820396016911602754224801009<257>]

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