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## #1 2015-02-11 10:07:57

### The least perfect square, which is divisible by?

**Question:**

The least perfect square, which is divisible by each of 21, 36 and 66 is:

**Option A):**

214434

**Option B):**

231444 **Option C):**

214344

**Option D):**

213444

**Correct Answer is Option D):**

213444

**Explanation:**

L.C.M. of 21, 36, 66 = 2772.

Now, 2772 = 2 x 2 x 3 x 3 x 7 x 11

To make it a perfect square, it must be multiplied by 7 x 11.

So, required number = 2^{2} x 3^{2} x 7^{2} x 11^{2} = 213444

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## 2015-02-11 10:07:57

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### Re: The least perfect square, which is divisible by?

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