Question

Find the hcf and lcm of 6 , 72 and 120 using prime factoeisation method

Answer 1

Answer:

Step-by-step explanation:

LCM=

6

6/2=3

3/3=1

LCM=2*3

72

72/2=36

36/2=18

18/2=9

9/3=3

3/3=1

LCM=2*2*2*3*3

120

120/2=60

60/2=30

30/2=15

15/3=5

5/5=1

LCM=2*2*2*3*5

HCF

2*3=6