Problem 43015. Number of primes

Solution 1671893

Submitted on 11 Nov 2018 by Rafael Hernandez-Walls

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Test	Status	Code Input and Output
1	Pass	x = 1; y_correct = 0; assert(isequal(Nprimes(x),y_correct))
2	Pass	x = -1; y_correct = 0; assert(isequal(Nprimes(x),y_correct))
3	Pass	x = 10; y_correct = 4; assert(isequal(Nprimes(x),y_correct))
4	Pass	x = 1e3; y_correct = 168; assert(isequal(Nprimes(x),y_correct))
5	Pass	x = 1e4; y_correct = 1229; assert(isequal(Nprimes(x),y_correct))
6	Pass	x = 1e8; y_correct = 5761455; assert(isequal(Nprimes(x),y_correct))
7	Pass	x = -1e8; y_correct = 0; assert(isequal(Nprimes(x),y_correct))