Primes in the Key of C#

Yes, prime numbers are a go-to challenge for me that I’ve been casually playing with since my earliest programming days. I’m not alone; prime numbers are important and popular enough that there’s an entire distributed computing project dedicated to finding the highest Mersenne Prime number (primes such as 31 and 127 that are one less…

What is Recursive Programming?

When writing programs, it’s often necessary to perform repeating operations on collections of items such as customer orders or invoices.  Often, you can just iterate through the collection or count the items to determine how many times to perform the operation.  When working with a hierarchy of items such as a directory structure where you have…