What is the least square number which is exactly divisible by 8,12,15,20?
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LCM of 8,12,15,20
8=2×2×2
12=2×2×3
15=3×5
20=2×2×5
LCM=2×2×2×3×5
But it is not square number
so the required square number is
=(2×2)×(2×2)×(3×3)×(5×5)
=4×4×9×25
=3600
this is your answer
8=2×2×2
12=2×2×3
15=3×5
20=2×2×5
LCM=2×2×2×3×5
But it is not square number
so the required square number is
=(2×2)×(2×2)×(3×3)×(5×5)
=4×4×9×25
=3600
this is your answer
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