tables > factorial > f2+1

n!! + 1

Table

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

* 254: \[254!!+1\] 137655797349287255366496407347<30> × [3723617535727994989155394212386750418988297982233328192049803914659075268899543839632864970618621369113130134841486284708841721839180359436325604151626745344759025856757690963576754086065338250698868593634957366708325106683<223>]

Index range: 254 – 254 << prev next >>