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10 posts tagged with primenumbers.

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## The Art of Learning

## NSA may have secretly made major mathematics breakthrough

If the NSA is able to break through banks' computer security, does that mean it solved the prime factorization problem? The New York Times reported recently that “the agency has circumvented or cracked much of the encryption, or digital scrambling, that guards global commerce and banking systems.” Since banks' encryption codes rely on the fact that nobody knows how to find the prime factors of really large numbers, it could mean that the NSA has found a way to do that. Or it could mean that the NSA has simply gotten lots of banks to give up their information, or found other ways around their encryption. But if they've cracked this long-standing math problem, might the secret leak? What would be the effects?

## does optimus know he is pretty like a flower?

El Patrón de los Números Primos a visualization of prime numbers by Jason Davies based on Sobre el patrón de los números primos by Omar E. Pol. (previously, sorta) [more inside]

## Prime Numbers For Web Designers

## Prime Prize

In September 2006 the largest known prime number, a 9.8 million digit number, was discovered. If you find one over ten million digits you can win US$100,000 (of which you get to keep $50,000). No maths is required - just download the software and you're away. Warning: it takes about a month to run one primality check so some patience is required. Look out though Cooper and Boone look like they might beat you to it.

## You have the right to remain innumerate...

You know about numbers, right? Natural numbers, rational numbers, integers, real numbers, complex numbers, prime numbers, funny numbers, illegal numbers. Illegal numbers? Well, there’s the illegal numbers game. Apparently 69 is illegal in Virginia, among other places. But did you know about illegal prime numbers? My brain is getting number by the day. (via digg)

## It was just a matter of time...

26 year old student finds largest known prime number. The number is 6,320,430 digits long and would need 1,400 to 1,500 pages to write out. It is more than 2 million digits larger than the previous largest known prime number.

One word: Cryptography.

Prime numbers are essential in producing keys for cryptography.

**Why? What use is it? How can knowing the next highest prime number be of any benefit?**One word: Cryptography.

Prime numbers are essential in producing keys for cryptography.

## it's a Dell dude!

A Dell with a 2GHz Pentium processor owned by a Michigan State University student has found the world's largest prime number -- containing more than 6.3 million digits. The student was loaning his extra computer cycles to the GIMPS project [sort of like SETI and other monster farms]. Here's a web page he created about palindromic prime numbers before he became Mr. Biggest Prime Number Guy.

## Find a 10 million digit prime number,

Find a 10 million digit prime number, get $100,000!

*"Now the bad news. Testing a single 10,000,000 digit number takes a full year on a 500 MHz Pentium III computer."*This GIMPS organization merely provides software to do the searching process (not to mention they take most of the profits if you DO find a new prime).## Mersenne Prime Search

Mersenne Prime Search is a distributed computing project much like Seti@home, except instead of searching for aliens, you're in the running for $100,000 and a place in math history (shouldn't your computer actually be the one that goes into the math history books?).

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