Furthermore....................just b/c some primes are very big............does not mean that there are an infinite quantity...................Albert Einstein said the universe was infinite.......so have many others.......precisely b/c it seems that way...................just like human explorers................were scared to sail too far from the coast.............b/c the horizon vanishes..................they thought the earth was flat................and/or at times........thought that there was a giant waterfall out there.........................

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As of January 2017 , the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618 digits. It was found in 2016 by the Great Internet Mersenne Prime Search (GIMPS). Plot of the number of digits in largest known prime by year, since the electronic computer.

Largest known prime number - Wikipedia

https://en.wikipedia.org/wiki/Largest_known_prime_number

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Largest known prime number - Wikipedia

https://en.wikipedia.org/wiki/Largest_known_prime_number

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As of January 2017 , the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618 digits. It was found in 2016 by the Great Internet Mersenne Prime Search (GIMPS). Plot of the number of digits in largest known prime by year, since the electronic computer.

‎Mersenne prime · ‎Great Internet Mersenne Prime ... · ‎Euclid's theorem · ‎Primality test

The Largest Known prime by Year: A Brief History - The Prime Pages

https://primes.utm.edu/notes/by_year.html

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The Largest Known Prime by Year: A Brief History. The largest known prime today is the 22,338,618 digit Mersenne prime 2^74207281-1 found in January 2016, but how big have the "largest known primes" been historically?

You visited this page on 12/11/16.

The Largest Known Primes - The Prime Pages

https://primes.utm.edu/largest.html

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This page summarizes the information on the list of 5000 Largest Known Primes (updated hourly). ... An integer greater than one is called a prime number if its only positive divisors (factors) are one and itself. ... The largest known prime has almost always been a Mersenne prime.

Mersenne Prime Discovery - 2^74207281-1 is Prime!

www.mersenne.org/primes/?press=M74207281

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Largest Known Prime Number: 2^74,207,281-1 ... yet undiscovered Mersenne primes, and there almost certainly are larger Mersenne primes waiting to be found.