tables > factorial > f2-1

n!! - 1

Table

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

* 561: \[561!!-1\] 25 × 2857 × 7656577 × 54753417000641932777<20> × 239103668405297896497404917<27> × 18994353396782506951373035043<29> × [3539068812848000204604266055710784663184329070406957947568299828892299156433476562077657558263050820181870470619891767415961061480213409748028599776885002680594921996660804762579555155758369981195093219677415486959542235029115032639778650639054896458677877287558692029015357646043902692864024927305235178317741915216636929836681835032344678019371010140810477326140369566815616132273020802045906269623820928036861928800479303828820099243221243331527885456111875098041630415603497059214377067166936762535858099607340839473124140421243261886753634475462850691641013149<565>]

Index range: 561 – 561 << prev next >>