Vinay Pai wrote:

The MD5 hash is 128 bits long. This means that there are 340,282,366,920,938,463,463,374,607,431,768,211,456 values. This means that even if you could try a TRILLION combinations a second it would take you 10,790,283,070,806,014,188 years to break!

A brute force attack against MD5 won't work.

Should I add if you do not consider luck factor and few assumptions on length of password, starting and ending characters of password. Which is not tough to find out in case you are in close vicinity of an administrator.

Amish.