18. Find the least square number which is exactly divisible by each of the numbers 8, 12, 15
and 20.
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Answer:
L.C.M. of 8, 15 and 20 is 120. Here, prime factors 2, 3 and 5 have no pair. Therefore 120 must be multiplied by 2 x 3 x 5 to make it a perfect square. Hence, the smallest square number which is divisible by 8, 15 and 20 is 3600.
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0
Step-by-step explanation:
Answer is 3600
as it is the LCM of 8,12,15
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