Question

Find HCF and LCM of 18 and 24 by the prime factorization method.​

Answer 1

Step-by-step explanation:

Prime Factorization of 18

2 18

3 9

3 3

1

Prime factors of 18 are 2,3. Prime factorization of 18 in exponential form is:

18 = 21×32

Prime Factorization of 24

2 24

2 12

2 6

3 3

1

Prime factors of 24 are 2,3. Prime factorization of 24 in exponential form is:

24 = 23×31

∴ So by taking common prime factors GCF of 18 and 24 is 6

Answer 2

Answer:

HCF: 6

LCM: 24

Step-by-step explanation:

Factors

18 = 2×3×3

24= 2×12

2×2×2×3

HCF : 2 ×3 = 6

LCM = 2×2×2×3= 24