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@@ -0,0 +1,25 @@
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+from itertools import permutations
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+from math import sqrt
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+
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+digits = "1234567"
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+maxPrime = 0
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+
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+
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+def prime(n):
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+ """Returns a boolean indicating whether an integer is a prime"""
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+ if n <= 1:
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+ return False
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+ for i in range(2, int(sqrt(n) + 1)):
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+ if n % i == 0:
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+ return False
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+ return True
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+
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+for i in permutations(digits, len(digits)):
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+ # Reduce tuples into a string
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+ i = int(''.join(i))
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+
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+ if prime(i):
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+ if i > maxPrime:
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+ maxPrime = i
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+
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+print maxPrime
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