Question

find the smallest number by which each of the given numbers must be multiplied so that the product is a perfect square 1323
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Answer 1

Answer:

First prime factorize 1323 = 7 * 7 * 3 * 3 * 3

If you do  multiply by 3 you will get  3969

which is the square of 63.

Step-by-step explanation:

Answer 2

LCM of 1323 = 3 × 3 × 3 × 7 × 7

now make pairs of tow

but one 3 will remain as unpaired

that 3 is the least no or the smallest no

which when multiplied by 1323 gives a perfect square .

i.e, 1323 × 3 = 3963

and 3963 is a perfect square of 63.