RosettaCodeData/Task/Repunit-primes/Python/repunit-primes.py

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Python
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2023-07-01 11:58:00 -04:00
from sympy import isprime
for b in range(2, 17):
print(b, [n for n in range(2, 1001) if isprime(n) and isprime(int('1'*n, base=b))])