Information as of 2020-05-19: Data for Riesel 600<k<800 online.

**Done**history entries/primes for**Riesel primes 300<k<800**(Sources see here)**Done**history entries/primes for**Riesel primes 4000<k<4200**(Sources see here)**Done**history entries for**Riesel primes k<300**(Sources see here)**Please check your reservations here****.**

# Ernst Mayer

**Ernst W. Mayer** is an American programmer and scientist. He is the author of the Mlucas program, which has been frequently used to independently verify newly discovered Mersenne primes.

He received his Ph.D. (1993) in Aerospace Engineering from the University of Michigan, Ann Arbor.

He is also the author of "emayer" FFT package, written in Fortran 90, which was used to benchmark FFTW library.

He has been on the Board of Directors of Mersenne Research, Inc. since January 2019.

## Patents

- 7,725,863 Reverse Routing Methods for Integrated Circuits Having an Hierarchical Interconnect Architecture, Granted 25 May 2010.
- 7,786,757 Integrated Circuits with Hybrid Planar Hierarchical Architecture and Methods for Interconnecting Their Resources, Granted 31 August 2010.