MOUNTAIN VIEW, California (

TheStreet

) ---

Google

(GOOG) - Get Report

has offered to buy online discounter

Groupon

for between $5 billion and $6 billion, according to reports.

Sources said the deal could be struck as early as Tuesday, although it could still fall apart, reports

All Things Digital

, the

Wall Street Journal

blog. The blog puts the price tag at $5.3 billion.

If the deal for Groupon is completed, it would be Google's largest acquisition.

The acquisition would move Google to the top spot in local commerce online and give it large amounts of global data about consumer buying habits and merchant information,

All Things Digital

notes.

The

New York Times

, citing people with direct knowledge of the matter, reports Google could acquire Groupon for between $5 billion to $6 billion.

The acquisition of Groupon would top Google's $3.1 billion acquisition of

DoubleClick

in 2007, the

Times

notes.

Groupon, known for its daily discounts, has signed up more than 12 million registered users and has more than $350 million in estimated annual revenue, according to the

Times

.

-- Written by Joseph Woelfel

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Joseph Woelfel

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