tables > factorial > f2-1

n!! - 1

Table

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

* 267: \[267!!-1\] 2 × 176521 × [5986257670443539197717891070734652620801986510972769007293697414347867629143949138144175332677656323726346635487984715767266738532245237732106520038856820203462873735262407893975248218115395280172497050584857269100798953458216071141503229721210811898820461192997<262>]

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