Question

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

Answer 1

189=3×3×3×7

=3^2×3×7

this is not a perfect square

Answer 2

Answer:

189 is not a perfect square.

Step-by-step explanation:

189= 3*3*3*7

Grouping them in pairs of equal factors:

189= (3*3)*3*7

The factors 3*7can not be paired hence, 189 is not a perfect square.

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