Today's website is geared for math geeks in search of really big prime numbers--you remember them don't you? Prime numbers are numbers greater than one that only divide evenly by itself and 1; numbers ...

Why it matters: Why search for large primes? Important cryptography algorithms have been based on prime numbers and according to GIMPS, they're also fun to hunt and collect. Plus, there's a financial ...

I DESIRE to announce the discovery which I have made that (2 181 —;1) is divisible by 43441. This leaves only 16 of the numbers (2 q — 1) originally reported composite by Mersenne, still unverified. I ...

There was absolutely no systematic basis for that guess, but I did suggest having an office pool for the number of digits, so what I lack in mathematical sophistication is made up for by my instinct ...