Things you learn on mersenne forum:
Quote:
Originally Posted by ONeil
Code:
If the number has factors they are not Mersenne Primes,

Sorry to disappoint you, but 2^41 has the factor 3, which IS a mersenne prime...
Quote:
Originally Posted by ONeil
Enter a prime number: 2^162731

Suggestion: Reply from application: sorry, this number is not prime. End exits.
(or, if you indeed enter a prime, the system would reply "sorry, this is prime, what do you want to factor at it?".
Let's put some money together until we collect so much to convince Xyzzy to let us ban bloggers...