Package: pari
Version: 2.6.0 git-460e83a

> N = 4309513411435775833571;
> ispseudoprime(N)
%1 = 1
> isprime(N)
  ***   at top-level: isprime(N)
  ***                 ^----------
  *** isprime: bug in PARI/GP (Bus Error), please report.
  ***   Break loop: type 'break' to go back to GP prompt

Charles Greathouse
Analyst/Programmer
Case Western Reserve University