All exponents below 69069661 have been tested and verified. All exponents below 118767703 have been tested at least once. Version 30.19 is now available. ECM stage 2 is now much faster if you can give prime95 lots of memory to use. This is similar to the improvements to P-1 stage 2 in version 30.8. There are other minor bug fixes and tweaks. This is not a required upgrade -- version 30.3 and later