NMR experiment factors numbers with Gauss sums

Phys Rev Lett. 2007 Mar 23;98(12):120502. doi: 10.1103/PhysRevLett.98.120502. Epub 2007 Mar 22.

Abstract

We factor the number 157573 using an NMR implementation of Gauss sums. Although the current implementation is classical and scales exponentially, we believe that an extension to the quantum regime using entangled states is possible.