tables > factorial > f2+1

n!! + 1

Table

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

* 280: \[280!!+1\] [18763306880026058363137247618616399801087918826066790028035694571210712432550617984194736013155285928579602519746870644636850024212418268898717203613043340357093790606487422380922959426376826276060002255922238267165985691042968761388927790348071075840000000000000000000000000000000001<284>]

Index range: 280 – 280 << prev next >>