Quote:
Originally Posted by Jens K Andersen
Maybe you are actually looking for the smallest Mersenne numbers with at least 1,000,000,000 decimal digits? This has nothing to do with the billionth Mersenne number, no matter which definition is used.

If that's what he wants, he needs to go to the Forum 'Operation Billion Digits.'
They're factoring the lowest nvalues that could possibly yield a prime that's at least a billion digits.