When a certain number is multiplied by 13, the product consists entirely of fives. Find the smallest such number.

When a certain number is multiplied by 18, the product consists entirely of 2 's.What is the minimum number of 2's .in the product?

A certain number N when multiplied by 13, the resultant values consists entirely of sevens. The value of N is :

(i) Find the smallest number by which 2592 be multiplied so that the product is a perfect square. (ii) Find the smallest number by which 12748 be multiplied so that the product is a perfect square.

Examine if 1512 is a perfect cube .If not find the smallest number by which it must be multiplied so that the product is a perfect cube .Also find the smallest number by which it must be divided so that the quotient is a perfect cube.

Write the smallest five digit number?

Write: the smallest five-digit number?