Least perfect square which is divisible by 21 36 66
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Explanation:
L.C.M. of 21,36 and 66
3|21,36,66
2|7,12,22
2|7,6,11
3|7,3,11
|7,1,11 => Least Common Multiple of 21,36 and 66 is 3×2×2×3×7×11 =>2772. Now multiply by 7 and 11 => 3×2×3×2×7×11×7×11 => 213,444 is the least perfect square which is divisible by 21,36 and 66 respectively. Hope it helps you.
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