Only 1. Becoming a recommended contributor is all up to the Answers.com community. As soon as your name appears as the "Last edit by" someone can recommend you.
You are required to make 100,000 contributions to become a Platinum Contributor.Contributions include answering questions, asking questions, editing questions and recategorizing questions.
To get to a "Gold Contributor" level, you must have at least 25,000 contributions. This includes everything from asking and answering questions to putting questions in the right categories.
You are required to make 5,000 contributions to become a Silver Contributor.Contributions include answering questions, asking questions, editing questions and recategorizing questions.(See the Related question for info on all the various contribution levels.)
100,000 are required in order to become a platinum contributor.
you contribute to helping many people around the site by answering there questions
It should only take 1 contribution to get that orange "Contributor" badge on your Answers.com profile.You will sport that badge until you reach 500 contributions (such as answers, edits, asking questions, and categorizing questions), at which stage you will achieve the Bronze contributor level.(For information about badges for the various contributor levels, see the Related question.)
200,000 contributions
5,000 contributions are required to get this badge.
25,000 contributions are required to get this badge.
100,000 contributions are required to get this badge.
500,000 contributions is required to get this Badge.
200,000 contributions are required to get this badge.