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Largest Prime Number Discovered With 23 million Digits

The number has been found out to be 277,232,917-1, by multiplying 77,232,917 two’s together and subtracting 1 from the final result. The new number is also known as M77232917 and was found out on December 26, 2017

The largest prime number has been discovered by the Great Internet Mersenne Prime Search (GIMPS) and has more than a staggering 23 million digits. The new number has nearly one million more digits thn the previous record, and is the 50th rare Mersenne prime number discovered ever.   

The number has been found out to be 277,232,917-1, by multiplying 77,232,917 two’s together and subtracting 1 from the final result. The new number is also known as M77232917 and was found out on December 26, 2017.

The primary proof took six days of non-stop computing on a PC with an Intel i5-6600 CPU. To prove there were no errors in the prime discovery process, the new prime was independently verified using four different programs on four different hardware configurations and software were set the task of verifying the discovery. Those computers confirmed the result, taking between 34 and 82 hours each.

The Great Internet Mersenne Prime Search (GIMPS) was formed in January 1996 by George Woltman to discover new world record size Mersenne primes. The search for more Mersenne primes is under process and maybe discovered very soon. There may be smaller, as yet undiscovered Mersenne primes, and there may be certainly larger Mersenne primes waiting to be found. Anyone with a powerful PC can join GIMPS and become a big prime hunter, and possibly earn a cash research discovery award.

GIMPS, founded in 1996, has discovered the last 16 Mersenne primes. People wishing to voulnteer can download a free program to search for these primes, with a cash award offered to anyone lucky enough to find a new prime. Prof. Chris Caldwell maintains an authoritative web site on the largest known primes, and has an excellent history of Mersenne primes.


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