Let R be a relation on the set N of natural numbers defined by nRm⇔n is a factor of m (i.e., n\m). Then R is

Since n\n for all n∈N, therefore R is reflexive. Since 26 but 6/2, therefore R is not symmetric.Let n R m and mRp⇒nm and mp⇒n|p⇒nRp. So, R is transtive.