jmDesktop schrieb: > From the Python.org tutorial: > >>>> for n in range(2, 10): > ... for x in range(2, n): > ... if n % x == 0: > ... print n, 'equals', x, '*', n/x > ... break > ... else: > ... # loop fell through without finding a factor > ... print n, 'is a prime number' > ... > 2 is a prime number > 3 is a prime number > 4 equals 2 * 2 > 5 is a prime number > 6 equals 2 * 3 > 7 is a prime number > 8 equals 2 * 4 > 9 equals 3 * 3 > > > > first time 2 mod 2, 2/2, no remainder == 0, what am I doing wrong? > Why did it fall through?
print out what range(2, n) for n == 2 is. And if you didn't know - 2 *IS* a prime. Diez -- http://mail.python.org/mailman/listinfo/python-list