Question

Find the HCF and LCM of 90, 144 by prime factorisation method.​

Answer 1

Answer:

90 = 3 x 3 x 2 x 5. H.C.F( 90, 144) = 2 x 3 x 3 = 18. L.C.M( 90, 144) = 2 x 2 x 2 x 2 x 3 x 3 x 5 = 720