Integers. Explanation appreciated, thanks for the help.

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Secondary 1 Maths Singapore

Integers. Explanation appreciated, thanks for the help.

Date Posted: 3 years ago

6804 = xy^2
Prime factorise 6804 to get 2^2 x 3^5 x 7.
Largest y^2 possible is (2x3x3)^2, so y=18, x=21.

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Date Posted: 3 years ago