Question

Find the HCF by prime factorisation method:30,40,60​

Answer 1

Answer:

Their HCF is none other than 120

Step-by-step explanation:

30=2x3x5

40=2x2x2x5

60=2x2x3x5

So, the answer is = 2 x 2 x 2 x 3 x 5 = 120!

Hope it helps :)

Answer 2

Step-by-step explanation:

2 30, 40 , 60

2 30, 20 , 30

2 30, 10 , 30

3 30, 5 , 30

2 10, 5 , 10

5 5, 5, 5

1, 1 , 1

this is the correct answer...