tables > factorial > f2+1

n!! + 1

Table

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

* 680: \[680!!+1\] 683 × 4191043 × [3991163231495120434337753570887742235103449474758845315502565526216453554561589238000280497132124747519477897667844092832578569300457075609868293912081654484259491748676089812347072986571208441105316253700532934057096621986468381342776061220520442800280282163758021744143252056473264805217994461597594013388347423859832305343454455706724262900802866148414001182067182307826575130422730998112623423667169797489578614967331814832815792434641237675681950613006735653830119911825352076757484482335169569362245306517354913919454757722489172427838647228825489690125747680823380349844698158592241967551904200926409197747806816776893804115835054743336952633867536653025319641590941172037317172120749584809075388287936972695705549652830489619550212153638595913391982188310205099467636231928176463119378605332468337729<808>]

Index range: 680 – 680 << prev next >>