How many superbowls have the packers won?

The Green Bay Packers have won 4 Super Bowls: SBs I, II, XXXI and XLV. They won 4 of the 5 Super Bowls they've been in on (lost to the Broncos in SB XXXII).
Updated on Monday, February 06 2012 at 04:06PM EST
Source: espn.go.com/...