Find the smallest perfect square number which is exactly divisble by 6,18 and 30
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LCM of 6,18&30
6=2×3
18=2×3×3
30=2×3×5
LCM=3×3×2×5
LCM=90
90 has prime factorization as 2×3×3×5
So 2&5 are unpaired so multiply 90 by 2 and 5
So the answer is 90×2×5=900
6=2×3
18=2×3×3
30=2×3×5
LCM=3×3×2×5
LCM=90
90 has prime factorization as 2×3×3×5
So 2&5 are unpaired so multiply 90 by 2 and 5
So the answer is 90×2×5=900
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