Question

State true or false : Give an example.

(i) H.C.F. of two prime numbers is 1.

(ii) H.C.F. of two co-prime numbers is 1.

(iii) L.C.M. of two prime numbers is equal to their product.

(iv) L.C.M. of two co-prime numbers is equal to their product.

Answer 1

(i) True : Because the prime numbers have no common factor except 1.

(ii) True : Because co-prime numbers have no common factor except 1.

(iii) True : Because the prime number have no common factor except 1.

(iv) True : Because co-prime numbers have no common factor except 1.