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Byju's Answer
Standard VI
Mathematics
LCM
Find L.C.M. o...
Question
Find L.C.M. of:
72
,
84
,
126
Open in App
Solution
First we write all numbers as product of their prime numbers.
So,
72
=
2
×
2
×
2
×
3
×
3
84
=
2
×
2
×
3
×
7
126
=
2
×
3
×
3
×
7
We then choose each prime number with the greatest power and multiply them to get the LCM.
=
>
L
C
M
=
2
×
2
×
2
×
3
×
3
×
7
=
8
×
9
×
7
=
504
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