Question

What is the HCF of 18,27,45

Answer 1

Answer:

factors of 18 = 2×3×3

factors of 27 = 3×3×3

factors of 45 = 3×3×5

In this 3×3 is common in all the terms

So, the HCF of 18,27,45 is 3×3=9

Answer 2

TO FIND HCF FIRST DO PRIME FACTRITSATION THEN THE ANSWER IS 6 BECAUSE 3 IS COMMON 2 TIMES IN 18,27 AND 45 SO 6 IS THE HCF