Question

find the smallest square no that is divisible by 8,15,20

Answer 1

The smallest square no. that is divisible by 8, 15 and 20 is ::

8 = 2×2×2
15= 3×5
20 = 2×2×5

LCM OF 8, 15 AND 20 IS 120

120 = 2×2×2×3×5

Multiplying 120 with 3×2×2

= 1440

ANSWER = 1440

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Answer 2

The smallest square no. that is divisible by 8, 15 and 20 is ::

8 = 2×2×2

15= 3×5

20 = 2×2×5

LCM OF 8, 15 AND 20 IS 120

120 = 2×2×2×3×5

Multiplying 120 with 3×2×2

= 1440

ANSWER = 1440