Question

find the LCM and HCF of the following numbers 15​

Answer 1

15 = 3¹×5¹

18 = 2×3×3 = 2¹×3²

45 = 3×3×5 = 3² × 5¹

HCF(15,18,45) = 3¹= 3.

Product of the smallest power of each common prime factors of the numbers

HCF(15,18,45)= 3.

Answer 2

Answer:

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