Question

What is the smallest number by which 1 715 should be divided so that the quotient is a perfect square

Answer 1

Answer:

first find out it's prime factorisation

so 1715 = 5×7×7×7

so make it a perfect square divide

1715 ÷5×7

=49

so √49=7

I.e divide 1715 by 35

Answer 2

Answer:

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