tables > factorial > f4+1

n!!!! + 1

Table

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

121: \[121!!!!+1\] 2 × 6481 × 1120807 × 119057291 × 8814947277947<13> × 52057548110988653957<20>

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