Question

Find the HCF
(1) 54 and 72​

Answer 1

Answer:

greatest common factor 54 and 72 is 18

Step-by-step explanation:

Answer 2

Answer:

✩ HCF of 54 and 72 = 18.

SOLUTION

To find the HCF of 54 and 72​ let us first do the Prime - Factorisation of 54 and 72 .

54 = 2 × 3 × 3 × 3

72 = 2 × 2 × 2 × 3 × 3

HCF of 54 and 72 = 2 × 3 × 3

HCF of 54 and 72 = 18

✳3 QUESTIONS FOR PRACTISE ✳

1) Find the HCF of 36 and 58 ?

ANSWER (For Verification)

HCF of 36 and 58 = 2

2) Find the HCF of 24 and 96

ANSWER (For Verification)

HCF of 24 and 96 = 24

3) Find the HCF of 13 and 45

ANSWER (For Verification)

HCF of 13 and 45 = 1 (Because there are no common factors)