Math, asked by Kishan9333, 11 months ago

Find lcm and hcf of12,15 and21by the prime factorization method

Answers

Answered by vijaykumarvkk84

1

Answer:

12= 2×2×3

15= 3×5

21= 3×7

HCF= product of smallest of each common prime factor

= 3

LCM = product of greatest of each prime factor

= 2×2×3×5×7

= 4×3×5×7

= 420

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