Question

Find the HCF and Lcm of the following give
pairs of numbers by prime factorisation method.
120 , 90​

Answer 1

Step-by-step explanation:

HCF of numbers = product of the smallest power of each common - prime factors of the number

LCM of number= product of greatest power of each prime factors of the number

(1) 120, 90

120⇒2×2×2×3×5=2

3

×3×5

90⇒2×3×3×5=2×3

2

×5

HCP⇒2×3×5=30

L.CM⇒2

3

×3

2

×5=360

Answer 2

Answer:

HCF :30

LCM: 360

Step-by-step explanation:

I hope it helps you