What 2 square numbers subtract to make 647?

What two square numbers subtract to make 647? In other words, when you subtract one square number from another square number, the answer is 647. 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 = 647

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

324² - 323² = 647

324² is 104976 and 323² is 104329, therefore the answer to the question "What 2 square numbers subtract to make 647?" is 104976 and 104329 as illustrated below:

104976 - 104329 = 647

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 647. Below we list alternate solutions if available.

What Two Square Numbers Subtract To Make Calculator
Enter another number here to find what two square numbers subtract to make that number.

What 2 square numbers subtract to make 648?
Go here for the next problem on our list.