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