September 29, 2017 Is prime missing in photos? | ||||
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Hi, Does Phobos have an isPrime function? I cannot find it in the library. I currently have a look at projecteuler.net problem no 7. Such a function makes it a lot easier to solve the problem. https://projecteuler.net/problem=7 Kind regards Andre |
September 29, 2017 Re: Is prime missing in photos? | ||||
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Posted in reply to Andre Pany | Well the purpose of the exercise kind of *is* to write a prime number generator. You can look up prime number sieves and algorithms. For REALLY large numbers, that takes an insane amount of time, and you can instead use algorithms such as the ones outlined at https://csrc.nist.gov/csrc/media/publications/fips/186/3/archive/2009-06-25/documents/fips_186-3.pdf (appendix C.3) |
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