# World's Largest Known Prime Number Discovered

Posted: Jan 21 2016, 12:28am CST | by , Updated: Jan 22 2016, 4:03pm CST, in News | Latest Science News

• World's Largest Prime Number Ever (2^74,207,281-1) Found in Missouri

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## The biggest prime number to ever have been found was generated in Missouri. It sure is a lengthy series of digits. It has 22,338,618 digits -- almost 5 million digits longer than the previous record prime number.

The largest prime number, 274,207,281-1, has been crunched out by a computer in Missouri. The venue was a university. Prime numbers have the proviso that they are divisible by themselves and the number one.

Examples are: 2, 3, 5 and 7. They are very crucial in computer cryptography. The latest prime number which has been discovered is 22 million digits in length. This is five million digits lengthier than the previous one. So a record seems to have been broken.

Prime numbers that are extremely long can be put to good use in computing. It was found as a part of the Great Internet Mersenne Prime Search (Gimps).

This is a worldwide search for special types of prime numbers. The Mersenne prime numbers are named in honor of a French monk who looked into the matter hundreds of years ago.

You search for these numbers by multiplying two by itself several times and finally taking away the number one from the result. While the operation can be accomplished using a computer, you donâ€™t get a prime number on every try.

The novel prime number has been given the code numerical value of 2^74,207,281-1. This of course shows that the number two has been multiplied by itself some 74,207,280 times.

And one has been subtracted at the end. In the past two decades more than a dozen large primes have been calculated. There is a chance that the number of large primes are infinite in number.

Large prime numbers serve a purpose in computer encryption. Via their use e-commerce, retail therapy and text messaging are kept confidential. The present encryption methods use prime numbers that are hundreds of digits in length instead of millions.

The current prime is simply too large to be of any use-value though. Nevertheless, the search for primes takes computers a long time and so there are unforeseen effects that happen to be beneficial.

An example is a computer that has issues that only show up under certain circumstances. These problems show up when a lengthy prime number is generated via the computer.

The current 49th Mersenne prime number was generated by Dr Curtis Cooper. While computers bear the brunt of the burden of discovery, a human being is needed to observe the results and make minor adjustments along the way.

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