Question
What is the smallest integer I can multiply 315 by to get a perfect square?
Answers
oobleck
315 = 3^2 * 5 * 7
to be a perfect square, all the powers must be even. So, multiply by
5 * 7 = 35
to get 11025 = 105^2
to be a perfect square, all the powers must be even. So, multiply by
5 * 7 = 35
to get 11025 = 105^2