tables > factorial > f2+1

n!! + 1

Table

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

* 389: \[389!!+1\] 24 × 3681889 × 62262982148776167274057<23> × [1432768441665983583290282835330589005150067694431938577427894839091828675133324288633897471288112428802602993664699591088773647063337973260219300646959170210388195367252474370842751771096830156443504206866846516799581121580250009577977106027913871051045537561107940823546551909796483745421113598368770394605158345585076367237081499678870163532421764945278011045421958214719767018227961617257<391>]

Index range: 389 – 389 << prev next >>