tables > factorial > f2+1

n!! + 1

Table

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

* 270: \[270!!+1\] 631 × 7673 × 1673839 × 4045261013 × [357456514686452345473301618230406482057078192018767146336574519509663032272909759667641901761586137405934790250579001695631209478991777354791251217824596938493059962355487338918525808348047794120535680842998713585162094378486520613852233348257249261<249>]

Index range: 270 – 270 << prev next >>