Question

using the prime factorization method, find which of the following numbers are perfect squares: 189​

Answer 1

$\huge\pink {A}\purple {n}\red {s}\orange {w}\green {e}\blue {r}$

$189 = 3 \times 3 \times 3 \times 7$

7 and 3 doesn't form pair so , 189 is not a perfect square

hope it helps you......