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Question

Find the LCM of the numbers given below :
1) 50,60
2) 36,42,148
3) 10, 16, 18
4) 16, 160, 18

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Solution

1) 50=2×5×5
And,60=2×2×3×5
Then LCM=2×5×5×2×3=300

2)36=2×2×3×3,
42=2×3×7
And,148=2×2×37
Then LCM=2×2×3×3×7×37=9324

3)10=2×5,
16=2×2×2×2
And,18=2×3×3
Then LCM=2×5×2×2×2×3×3=720

4)16=2×2×2×2,
160=2×2×2×2×2×5
And,18=2×3×3
Then LCM=2×2×2×2×2×5×3×3=1440


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