Question

find the smallesst number which each of the number multiplied make it a perfect square 268912​

Answer 1

Answer:

7 is not in group so it should be multiplied with 7 to be a perfect square so :-

268912 x 7=1882384=2x2x2x2x7x7x7x7x7x7

Grouping=2x2x7x7x7

=1372 is your answer

Answer 2

At first, find the square root of 268912 :

√268912

=√2×2×2×2×7×7×7×7×7

Now, for each pair one number will come out :

2×2×7×7

Now, you will need one more 7 to make a perfect square

So, 7 needs to be multiplied in order to get a perfect square

Hope it helps