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Interview Question

Software Engineer Interview(Student Candidate) Chicago, IL

Write an algorithm to find all the prime numbers from 1 to n


Interview Answer

1 Answer


Just out of curiosity. I haven't done this for long time and no longer in IT. So this is out of blue. I'll try divide by 2, and cap at n/2, then by 3, cap at n/3, then 5, 7, etc, skip any number is a multiple of 2, 3, 5, 7, etc. until the denominator goes bigger than the cap. Make sense?

Nait on Apr 19, 2012

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