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hello, Can anyone please tell me the most efficient know till date so as to find the prime numbers up to 10^8 or higher. I am using sieve and using odd number optimization with it also. but it is not too much effiecent which i want. Can you please any optimization or any other way so as to calculate all prime numbers uptp 10^ 8 pr higher.

P.S I wanto calculate as i am doing project on cryptgraphy. thanks in advance if you can help me in this :-)