tables > factorial > f2-1

n!! - 1

Table

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

* 298: \[298!!-1\] 199 × 2659 × 2938722588871<13> × 250984514618299966267<21> × [696457426688432139201206911497963911574370505394371620153658859409424937617703568486665466772018745428188452768809989135078584508591844320173231651211514432887314826850973449481596794675502659318763643689028249056990879824558909069737175964848701550863054390828486527<267>]

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