tables > factorial > f2-1

n!! - 1

Table

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

* 272: \[272!!-1\] 271 × 274163 × 4960990384954619505761617992991<31> × [8647695513456782302025532273801240969142530914837505752282106954624962560846151261251137051464419385708345676422117935872104808845295786787795978930877669539658537625893402748294189219455004559126703194267374209336692203465797492896693<235>]

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