The smallest positive integer k for which 2100k is a multiple of 396

Question

The smallest positive integer k for which 2100k is a multiple of 396​

Sophia · Answer

Answer

The given number is 1352

But, 1352=2×2×13×13×2=22×132×2

To get a perfect square, the prime numbers should occur even no. of times.

Here, 2 occurs only three times.

Thus, we have to multiply 1352 by 2 to get a perfect square.

Isabelle · Answer

Answer:   sorry I didn't know sorry

The smallest positive integer k for which 2100k is a multiple of 396​