Question

find the HCF and LCM of 90 and 144​

Answer 1

Answer:

Step-by-step explanation:

Sol :

90 = 3 x 3 x 2 x 5.

144 = 2 x 2 x 2 x 2 x 3 x 3

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.