Question

What is the least number by which 1470 must be divided to get a number which is a perfect square

Answer 1

If we factorise 1470=2*3*5*7*7
so,we have pair of only 7
so, 2*3*5 =30 is the least number by which 1470 must be divided to get a perfect square .
1470/30=49

Answer 2

Hope it helps you.
With regards@
Tanisha