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David Stanfill also verified using Cl Lucas on an AMD Fury GPU. Their first record prime was discovered in 2005, eclipsed by their second record in 2006. Cooper lost the record in 2008, but reclaimed it in 2013, and improved the record with this new prime.Finally, Serge Batalov ran Ernst Mayer's MLucas software on a 18-core server to verify the prime. Cooper is a professor at the University of Central Missouri. The primality proof took a month of computing on a PC with an Intel I7-4790 CPU. Cooper and the University of Central Missouri is the largest contributor of CPU time to the GIMPS project.It has 22,338,618 digits -- almost 5 million digits longer than the previous record prime number.While prime numbers are important for cryptography, this prime is too large to currently be of practical value.Jonathan Pace is a 51 year old Electrical Engineer living in Germantown Tennessee.He is a long-time math enthusiast now working at Fed Ex and active in community charities.
You'll need a reasonably modern PC and the free software at — In 2008, M(37156667) was discovered, and after 8 years GIMPS has finished checking and double-checking every smaller Mersenne number.To prove there were no errors in the prime discovery process, the prime was independently verified using both different programs and different hardware.Andreas Hoglund and David Stanfill each verified the prime using the CUDALucas software running on NVidia Titan GPUs.With no new, smaller primes found, M(37156667) is officially the "45th Mersenne prime".Thanks to all the GIMPS members that contributed their resources towards achieving this milestone.