Question

find the smaller square number that is divisible by each of the number 5 , 6 , 7​

Answer 1

Step-by-step explanation:

Let us find LCM of 8,15 and 20

8=2×2×2

15=3×5

20=2×2×5

So, LCM =2×2×2×3×5=120.

For nos which are not in pairs in LCM factors, we need to multiply 120 by 2, 3 and 5 to make it a perfect square.

Required Number =120×2×3×5=3600

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