tables > factorial > f2+1

n!! + 1

Table

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

41: \[41!!+1\] 2 × 43 × 389 × 71437 × 5486976928652587<16>

Index range: 41 – 41 << prev next >>