24 lines
445 B
Python
24 lines
445 B
Python
from lib_prime import primes
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def r_modulo_closed_form(n, m):
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assert n > 0 and m > 0
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return ((pow(10, n, 9 * m) - 1) // 9) % m
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def euler_132():
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n = 10**20
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r = 0
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for p in primes(100_000):
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if r_modulo_closed_form(n, p) == 0:
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pass
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else:
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r += p
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return r
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if __name__ == "__main__":
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solution = euler_132()
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print("e132.py: " + str(solution))
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assert solution == 453647705
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