Asked by lulu
what is the smallest number that 54 can be multiplied by to give a perfect square?
Answers
Answered by
Reiny
all perfect squares have pairs of equal factors
e.g. 400
= 2x2 x 10x10
54 = 2 x 3 x 3 x 3
so we need another 2 and another 3
so the smallest number to be multiplied by 54 so it becomes a perfect square is 6
check:
6x54 = 324 = 18^2
e.g. 400
= 2x2 x 10x10
54 = 2 x 3 x 3 x 3
so we need another 2 and another 3
so the smallest number to be multiplied by 54 so it becomes a perfect square is 6
check:
6x54 = 324 = 18^2
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