Math, asked by mahtoarun33, 1 year ago

Find the lcm and hcf of the following integers by applying the prime factorisation method:
(1) 12, 15 and 21

Answers

Answered by ANGEL123401
7
Hi mate your answer is
HCF=1
LCM=2×2×3×5×7
=420
as, hcf

12=2×2×3
15=3×5
21=3×7

hope it helps you

quantumhero: hcf=1 becoz nothing is common in all the cases
ANGEL123401: yes
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