Question

find hcf and lcm of 56 and 112 by prime factorisation method ?

Answer 1

Q. What is Prime Factorization ?

=> Factorization done only by prime numbers is called Prime Factorization.

Q. What are Prime Numbers ?

=> Numbers which have only two factors :- 1 ( one ) and the no. itself are called Prime Numbers.

Now, coming to your question:-

Prime Factors of 56      = 2×2×2×7

Prime Factors of 112      = 2×2×2×2×7

∴ LCM of 56 and 112 = 2×2×2×2×7 = 112.

  HCF of 56 and 112 = 2×2×2×7 = 56.

Answer 2

Answer:

Step-by-step explanation:

Prime factor of 56. =2*2*2*7

Prime factors of 112. =2*2*2*2*7

LCM. =2*2*2*2*7=112

HCF. =2*2*2*7=56

HOPE ITS HELP