Is 2352 a perfect square? if not find smaller multiple 2352 which is a perfect square.
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Answer
We have 2352=2×2×2×2×3×7×7
As the prime factor 3 has no pair, 2352 is not a perfect square, So we multiply 2352 by 3 to get, 2352 ×3
Now, each prime factor is a pair, therefore, 2352 ×3 =7056 is a perfect square.
Thus, the required smallest multiple of 2352 is 7056 which is a perfect square and
Method used - Prime Factorisation :
Prime factorisation:
Definition: A method of finding the the prime factors of the given number.
Uses: Finding of a number is a perfect square, cube, its prime factors etc.
Prime factorisation of 2352:
2352 is not a perfect square as a perfect square should have all of its factors in powers of 2 or its multiples.
But in this case 3 has a power of 1. So, we should multiply the number by such a number such that 3 has an even power. The smallest number by which it should be multiplied for it to become a perfect square is 3 as when we multiply it by 3, all its factors have an even power.
7056 is the square of 84.
Therefore, 7056 is the smallest multiple of 2352 which is a perfect square.