What 2 square numbers subtract to make 247?

What two square numbers subtract to make 247? In other words, when you subtract one square number from another square number, the answer is 247. What are the two square numbers?

First, note that a square number is what you get when you multiply a number by itself, which means that the square root of a square number will equal a whole number. Thus, this is what we are solving:

A² - B² = 247

We solved the equation above and found this to be true:

16² - 3² = 247

16² is 256 and 3² is 9, therefore the answer to the question "What 2 square numbers subtract to make 247?" is 256 and 9 as illustrated below:

256 - 9 = 247

Note that there may be more than one solution to a problem like this. Above, we found the lowest combination of square numbers that subtract to 247. Below we list alternate solutions if available.

15376 - 15129 = 247

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