Elizabeth has 140 citrus trees and 180 palm trees
palm trees. She wants to make rows of trees so that each row has the same number of trees and each tree is in a row. If the citrus trees and the palm trees must not be mixed in the​ rows, what is the largest number of trees that she can have in a​ row?


The largest number of trees that she can have in a row is
nothingm.