Question

Find the HCF of 135 and 75 by the prime factorisation, hence find the LCM
and HCF of ( 135, 75 ) and 20.​

Answer 1

$\bf\large\underline\red{Solution:-}$

➤ 135=75×1+60

➤75=60×1+15

➤60=15×4+0

➤HCF=15

❒_____________________

Answer 2

135= 3*3*3*5

75= 3*5*5

HCF= 5

LCM= 3*3*3*5*5 = 675

Hope it helped you