Question

Find the H.C.F of 12,16 and 20

Answer 1

$\huge \purple {Answer}$

To find HCF(12,16,20) we have to find prime factors of 12, 16 and 20.

12= 2×2×3

= 2²×3

16= 2×2×2×2

= 2⁴

20= 2×2×5

= 2²×5

Now, there is 2² common in 12, 16 and 20.

Therefore, HCF= 2²

= 4

$\boxed {HCF= 4}$

Answer 2

Answer:

hi

Step-by-step explanation:

2*2*3, 2*2*2*2 , 2*2*5, hcf is 2