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Thread: Find primes in VB.NET2003

  1. #1
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    Find primes in VB.NET2003

    I'm trying to create a program that takes two numbers and finds all primes between those numbers.

    Can someone give me a suggestion on how to do this?
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  2. #2
    Regular Member in2deep's Avatar
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    Depends on the start and end numbers to a certain extent. For day to day numbers a simple to program algorithm is the "sieve of Eratosthene". It normally assumes a start value of 2 up to N, but would be easy to modify to work between N and M.

    http://tunes.org/HLL/examples/sieve.html

    If the start and end point numbers get very large it can be a little clumsy.
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