tables > factorial > f2+1

n!! + 1

Table

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

* 213: \[213!!+1\] 24 × 521 × 1249 × 230261945177827974560396353<27> × [45223872929728735600283223724118206141470721561091678774767522838616562147239466246527767761600133662248699616606342053382125303950064230841458353007585149629460106158103<170>]

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