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Can someone help deduce a formula to calculate the number of Prime Numbers that comes before a certain number, say x.
The closest i could reach was with an approximate function f(x) as:
f(x)=x/(log x -1);
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Project Euler #187: Semiprimes
You are viewing a single comment's thread. Return to all comments →
Can someone help deduce a formula to calculate the number of Prime Numbers that comes before a certain number, say x.
The closest i could reach was with an approximate function f(x) as: