Mersenne Numbers

Today we're going to write a function to generate Mersenne numbers. This is useful in searching for Mersenne primes.

ASP

1. function mersenne(x)
2.     mersenne = 2^x - 1
3. end function

PHP

1. function mersenne($x)
2. {
3.     return 2^$x - 1;
4. }

• View ASP implementation on Snipplr
• View PHP implementation on Snipplr