tables > factorial > f2-1

n!! - 1

Table

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

* 431: \[431!!-1\] 24 × 1279 × 468239 × 463636874056810447170623<24> × [9113314607209694460611568927782021323876789724623011148524437895537514607093835320762875635433955686623705365036752951412473908915810245073303890991010579407567694612056027597171650733120055005547459255125414124897679979318142803059500200181386373377237332211084614499806199908825980728861946533922455379503787308230066641654897130678637822103089164235166073159723742920275093008590716664719742809005233318504337490892112009584308337576257253<442>]

Index range: 431 – 431 << prev next >>