Locating missing sequential numbers can be an arduous task when working with long lists of data. For example, you might want to locate business check numbers that haven't been logged into a balance ...

Creating a list of consecutive numbers is one of the easiest ways to create unique IDs for product lists, transaction IDs or event numbers. Of course, manually typing the next consecutive integer is ...

Find one million consecutive positive numbers, none of which are prime. Ancient math tells us that prime numbers (2, 3, 5, 7, 11, ...,), which have no factors except for 1 and themselves, go on ...