libecm0 software package provides Factor integers using the Elliptic Curve Method (library), you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libecm0
libecm0 is installed in your system.
Make ensure the libecm0 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libecm0 *
You will get with libecm0 package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Libraries |
| Package | libecm0 |
| Version | 6.4.2-1 |
| Description | Factor integers using the Elliptic Curve Method (library) |
| Sub Section | libs |