$mpirun -np 4 prime-debug Do you want to test a number? 0= done 1=yes 1 Please input the number you wish to check 24545732423572453 I heard 0 from 0. I heard 1 from 1. I heard 1 from 2. I heard 1 from 3. This is not a prime. wall clock time = 3.140705 Do you want to test a number? 0= done 1=yes 0 $ cat iofile0 iofile0 4 is the numprocs 24545732423572453 is the number. 156670778 is the square root. 39167694 is the range. 39167694 is the top of my range. 2 is the divisor $ cat iofile1 iofile1 4 is the numprocs 24545732423572453 is the number. 156670778 is the square root. 39167694 is the range. 78335388 is the top of my range. 39167694 is the divisor $ cat iofile2 iofile2 4 is the numprocs 24545732423572453 is the number. 156670778 is the square root. 39167694 is the range. 117503082 is the top of my range. 78335388 is the divisor $ cat iofile3 iofile3 4 is the numprocs 24545732423572453 is the number. 156670778 is the square root. 39167694 is the range. 156670778 is the top of my range. 117503082 is the divisor