def is_prime(x): if x>1: y = 2 while y < x: if x % y == 0: return False break y+=1 if y == x: return True else: return str(x) + "is surely a prime number" print is_prime(263) print is_prime(262) print is_prime(1) i = 2 j = 15 f = 20 k = (j/i) == int(j/i) l = (f/i) == int(f/i) m = j % i == 0 n = f % i == 0 print k print l print m print n
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