tables > factorial > f2-1

n!! - 1

Table

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

* 445: \[445!!-1\] 2 × 971 × 9904330123<10> × 12935290577022523<17> × 18946698425128614594667<23> × [26980737426680194949405632261269555976840074795306538937900342257213203124998703289616785766363577370997429647162180466769918600784917853283017627972799070116783219131638401092638735942501638626946720515430156104727653793528814859983095185462164752128752649852930685937904229507083009409543670066124406544929961152041571941091813784274981147801978968151642206549881719488613317207935762858551232344861915369208306036475503647558620490028269279<443>]

Index range: 445 – 445 << prev next >>