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all the prime numbers which contains 0/2/4/6/8/5 can't make a circular prime number because last digit with those number is not the prime number(divisible by 2 or 5) so sieve skill will have a powerful effect on reducing domain again...
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Project Euler #35: Circular primes
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all the prime numbers which contains 0/2/4/6/8/5 can't make a circular prime number because last digit with those number is not the prime number(divisible by 2 or 5) so sieve skill will have a powerful effect on reducing domain again...