1.

What is the HCF and LCM of 12 21 and 15​

Answer»

ANSWER:

HCF= 3

LCM=420

12=2×2×3

15=3×5

21=3×7

so,

HCF=3

LCM=2×2×3×5×6

= 429

I HOPE it is helpful



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