# Where exactly do prime numbers serve a purpose and what is the purpose

Most of us know what prime numbers They are numbers that are not divisible save by themselves and the number 1. There is a new number discovered which is the largest in this category which has 23 MILLION DIGITS that needs about 9000 pages.

Do any of you know anything about the use of these numbers as to their application?

Do any of you know anything about the use of these numbers as to their application?

January 7, 2018, 7:08 am

## Responses (15)

overcast 1Barida 0overcast 0ballyhara 0augusta 0kgord 0overcast 0kgord 0overcast 0AmieBotella 0You may be reading through all of this and wondering what exactly is the point of finding out prime numbers? Up until the 19th century, there was little use for prime numbers, and mathematicians calculated them hoping to make some form of a breakthrough. Calculation of prime numbers was a purely mathematical endeavor. But, in the 19th century, there was a need for secrecy, especially during times of war. Messages and files needed to encoded, so that the enemy couldn’t read them. Encryption was used, and computers were used to make more complex, harder to crack codes. It was found that using two prime numbers multiplied together makes a much better key than any old number, because it has only four factors. One, itself, and the two primes that it is a product of. This makes the code much harder to crack. Finally, after thousands of years, man had a real use for primes, and what better use than keeping documents and files safe. Prime numbers can also be used in pseudorandom number generators, and in computer hash tables. Primes only use is in the computer world, and we still don’t have any use for primes in the physical world, however some say that some insects do.

Some insects will live in the ground for a number of years, and come out after 13 or 17 years. Both 13 and 17 are prime numbers, and by emerging at these times, it makes it harder for predators to adapt and kill the insects, and therefore more of them survive. One bug that does this is the cicada.

SOURCE: http://www.odec.ca/projects/2007/fras7j2/uses.htm

Amazing to know right? Now where is that twenty three million digit prime number? I think someone might want to discover the answer to this 23 digit prime number multiplied by 2!

kgord 0iamawriter 0I read through your post but must stay I am still at square one. I would rather savour the benefits that great mathematicians have worked on. Having said that if there is anyone here who can explain this phenomena for a lay person to understand it would be welcome.

DenisP 0Long story short, mathematicians devised a way to use prime numbers in order to encrypt and encode important data in order to keep it safe from the enemy. With the advent of the computer, prime numbers became a key factor in making extremely hard to crack codes. Besides that, there's literally no use for them.

aeon 0Kakashi2020 0