ColdFusion UDF: Calculate A Number's Divisors

Posted At : August 14, 2009 11:24 PM | Posted By : Brad Wood
Related Categories: Mathmatics, Performance, ColdFusion

Here's another UDF I was tinkering with last week. I wanted to be able to count all of the numbers that divided evenly into a given integer. I couldn't find a ColdFusion implementation, so after getting some advice from Stack Overflow I created my own.

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Calculate Prime Numbers: Sieve of Eratosthenes

Posted At : August 13, 2009 11:34 PM | Posted By : Brad Wood
Related Categories: Mathmatics, Performance, ColdFusion

Ahh... the quintessential math problem-- finding prime numbers. Last week while tinkering with a math challenge I needed to find all of the primes up to a given number. There was a version on cflib.org, but I thought I could do it in less code, so I dug in myself.

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