tables > factorial > f2+1

n!! + 1

Table

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

* 279: \[279!!+1\] 2 × [446943545364773463684740184223544246020197355378261515696752774291997764911459378301264986819622075448625535669019927216683368571274788482331283258003944714761542042474707485155041499090166279444824237544657141849559716970081202332055256452607562950657366095401812344789505004882813<282>]

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