Math, asked by venkateswarlus3758, 4 months ago

lcm and hcf of 12,15and21

Answers

Answered by ranvirsingh9572

0

Answer:

420 is the lcm of 12,15and 21

Answered by mohtasemanaaz

1

12=2×2×3×1

15=3×5×1

21=3×7×1

LCM = product of smallest power of each common prime factor = 3

HCF = product of greatest power of each prime factor

=2×2×3×5×7×1

=420

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