Question

Find the HCF and LCM of the two numbers 2^5, 3^4, 7, 13^3, 19, 23^2, and 2^3, 3, 5^2, 13, 19^4, 29 giving your answers in prime factorization form.

Answer 1

LCM × HCF = Product of given numbers

Answer 2

Answer:

Using prime factorisation method:

(i) 12, 15 and 21

Factor of 12=2×2×3

Factor of 15=3×5

Factor of 21=3×7

HCF (12,15,21)=3

LCM (12,15,21)=2×2×3×5×7=420

Step-by-step explanation:

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