tables > factorial > f2+1

n!! + 1

Table

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

39: \[39!!+1\] 2 × 47 × 53 × 61 × 1889 × 160649 × 3467983283

Index range: 39 – 39 << prev next >>