Question

find the smallest number by which 720 should be multiplied to get a perfect square​

Answer 1

Answer:

To find perfect square make pair of two of prime factors.

there is a pair of 5 is missing hence to make 720 a perfect square we have to multiply by 5.

5 is the smallest number by which 720 should be multiplied to get a perfect square number.

Answer 2

Answer:

5

Step-by-step explanation:

first find the LCM of 720 then find the number which has no pair and make it pair.

LCM of 720 = 2×2×2×2×3×3×5

so here 5 has no pair so by multiplying 5 to make it pair

so 720× 5 = 3600

√3600= 60

their fore the smallest number that should be multiple to get perfect square = 5