Vincent Delecroix on Fri, 29 Aug 2025 22:23:36 +0200


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Re: PARI/GP wrong on 7!!+7+1 being not prime, or oeis.org/Mathematica? 



On 8/28/25 8:37 PM, James Cloos wrote:

BA> Adding this one would break backward compatibility, so this is not
BA> an option.

does pari have a generalized factorial function?


Note that GMP does

  mpz_mfac_uiui (mpz_t rop, unsigned long int n, unsigned long int m)

Though I do not know whether it could easily be called with a
PARI integer from the gp interpreter.

Vincent