Find the smallest perfect square that is exactly divisible by 15,10,45
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LCM if 15 , 10 ,45 is 90
√90=2×3×3×5
=5×2=10
so 10 is the number which is exactly divisible by 15,10,45
√90=2×3×3×5
=5×2=10
so 10 is the number which is exactly divisible by 15,10,45
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