tables > factorial > f3+1

n!!! + 1

Table

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

* 257: \[257!!!+1\] 238723 × 21727289 × 29457961598927<14> × [2854806725876722656705332843186832165483815995412497806484345797155201249199741145998059268303874894184587207705018614888771220461783912288649229<145>]

Index range: 257 – 257 << prev next >>