Question

Find the lowest number by which 21 168 must be divided order to yield a perfect square

Answer 1

Explanation:

since 3 is prime, and the lowest number. 21168 ÷ 3 = 7056 which is a perfect square. Hence 3 is the required number. Ans :- 3 is the required lowest number by which 21,168 must be divide in order to yield a perfect square