tables > factorial > f2-1

n!! - 1

Table

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

* 428: \[428!!-1\] 431 × 1163 × 9831632257<10> × 37980635393<11> × 6475310903746539083<19> × [4687139918185536807078219319209780665731227625044401320359531494800445688486474883149813865565106047689993697531444849134424276446526898697398820680793795170864846043501971597826681426935116791706151568198086519587189461237749491590090527911211201140795996014695880823214578266082477562746683884536282394351251227499073906488113949675415012277225693661658134720387485172068521198039321081501959891338977223001729951891693299001<427>]

Index range: 428 – 428 << prev next >>