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The number of [[Senator|Senators]] that must be present for the [[United States Senate|Senate]] to do business. The [[United_States_Constitution|Constitution]] requires a majority of Senators (51) for a quorum. Often, fewer Senators are actually present on the [[floor]], but the Senate presumed that a Quorum is present unless the contrary is shown by a roll call vote or [[quorum call]].<ref>[http://www.senate.gov/reference/glossary_term/quorum.htm] US Senate Reference</ref>

A '''Quorum''' is the number of [[Senator|Senators]] that must be present for the [[United States Senate|Senate]] to do business. The [[United_States_Constitution|Constitution]] requires a majority of Senators (51) for a quorum. Often, fewer Senators are actually present on the [[floor]], but the Senate presumed that a Quorum is present unless the contrary is shown by a roll call vote or [[quorum call]].<ref>[http://www.senate.gov/reference/glossary_term/quorum.htm] US Senate Reference</ref>

==References==

==References==