27 lines
601 B
Python
27 lines
601 B
Python
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from primes import is_prime
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diags = [1]
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nums = [1]
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spiral = 1
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primes = []
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if __name__ == '__main__':
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while True:
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spiral += 2
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circ = list(range(diags[-1] + 1, spiral**2+1))
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stride = int(len(circ) / 4)
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corners = [circ[stride*1-1],
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circ[stride*2-1],
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circ[stride*3-1],
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circ[stride*4-1]
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]
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diags.extend(corners)
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primes.extend([num for num in corners if is_prime(num)])
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if len(primes) / len(diags) < 0.1:
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break
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print(len(primes), len(diags), spiral)
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