tables > factorial > f2-1

n!! - 1

Table

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

* 271: \[271!!-1\] 24 × 6317 × 50809909 × [30000194853816167258385467961356819375225482233854381235995303716312692955832847966621822524861725753549241786239408240081317794145795175116391874117773107685087497671476238652426286172985718323037547300854645660225524761717348041843329243023900431865298398113<260>]

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