tables > factorial > f2+1

n!! + 1

Table

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

71: \[71!!+1\] 2 × 39601372553<11> × 767017553051<12> × 39430778427777458708061214871<29>

Index range: 71 – 71 << prev next >>