Every real number is either a prime number or multiplication of prime numbers. Finding if a number is multiple of a prime number is a easy task for a computer. You ...

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

Abstract: The Euler number of a binary image is a very important topological property for image processing pattern recognition, and computer vision. This paper proposes an efficient run-based ...

We want to encourage you to pseudocode your "gameplan" for any challenge before actually coding. Note that we won't mention writing psuedocode all the time, but it's good practice to implement ...

Generating a string of random numbers is easy. The hard part is proving that they’re random. As Dilbert creator Scott Adams once pointed out, “that’s the problem with randomness: you can never be sure ...