Question

What is the hcf of 15 30 and 45

Answer 1

Answer:

15 is your answer........

Since 15 = 15 × 1

30 = 15× 2

45. = 15 × 3

So common factor is 15. So HcF of 15,30,45 is 15.

Hope it helps you☺

Answer 2

Answer:

15=5×3

30=5×3×2

45 =3×3×5

Thus hcf of 15, 30,and 45 is 15