きったんの頭_ん中☆

#! /usr/bin/env python3
"""
pe41.py
https://mind.kittttttan.info/py/pe41
"""

from itertools import permutations

# https://mind.kittttttan.info/py/pe0
from pe import is_prime2, list_num

def pe41():
    """
    What is the largest n-digit pandigital prime that exists?
    """
    for perm in permutations(range(7, 0, -1)):
        n = list_num(perm)
        if is_prime2(n):
            print(n)
            return
    print("Not found.")

if __name__ == "__main__":
    pe41()