39 lines
930 B
Python
39 lines
930 B
Python
#!/usr/bin/env python3
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"""
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Created on 29 Jun 2021
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@author: David Doblas Jiménez
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@email: daviddoji@pm.me
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Solution for problem 41 of Project Euler
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https://projecteuler.net/problem=41
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"""
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from utils import timeit, is_prime
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@timeit("Problem 41")
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def compute():
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"""
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We shall say that an n-digit number is pandigital if it makes
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use of all the digits 1 to n exactly once. For example, 2143 is
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a 4-digit pandigital and is also prime.
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What is the largest n-digit pandigital prime that exists?
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"""
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def is_pandigital(number):
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number = sorted(str(number))
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check = [str(i) for i in range(1, len(number)+1)]
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if number == check:
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return True
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return False
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for ans in range(7654321, 1, -1):
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if is_pandigital(ans):
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if is_prime(ans):
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return ans
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if __name__ == "__main__":
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print(f"Result for Problem 41: {compute()}") |