How is the number of electrol college seats per state determined

The number of electoral college seats per state is determined by the total number of Representatives and Senators that state has in Congress. Each state is allocated a minimum of three electoral college seats, with additional seats determined by the state's population as measured by the decennial census. Therefore, the number of electoral college seats per state is equal to the total number of Congressional representatives (House members) plus the two Senators that each state has.