Question

hcf of 12 , 15 , 24, 39​

Answer 1

Hello Mate!

LCM is here

2 | 12 , 18 , 24

2 | 6 , 9 , 12

2 | 3 , 9 , 6

3 | 3, 9 , 3

3 | 1 , 3 , 1

1 | 1 , 1 , 1

LCM = 2 × 2 ×2 × 3 × 3

= 72

HCF

12 = 2 × 2 × 3

18 = 2 × 3 × 3

24 = 2 ×2 × 3 × 2

Common factors are 2 × 3 = 6

Hope it helps☺!

Answer 2

Answer:

12=2×2×3

15=3×5

24=2×2×2×3

39=3×13

HCF=3